1356042492 has 96 divisors (see below), whose sum is σ = 4027968000. Its totient is φ = 386470656.

The previous prime is 1356042491. The next prime is 1356042497. The reversal of 1356042492 is 2942406531.

It is a happy number.

1356042492 is a `hidden beast` number, since 1 + 3 + 5 + 604 + 2 + 49 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356042491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332884 + ... + 336932.

It is an arithmetic number, because the mean of its divisors is an integer number (41958000).

Almost surely, 2^1356042492 is an apocalyptic number.

1356042492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356042492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2013984000).

1356042492 is an abundant number, since it is smaller than the sum of its proper divisors (2671925508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1356042492 is a wasteful number, since it uses less digits than its factorization.

1356042492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512 (or 4504 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1356042492 is about 36824.4822366860. The cubic root of 1356042492 is about 1106.8559385390.

The spelling of 1356042492 in words is "one billion, three hundred fifty-six million, forty-two thousand, four hundred ninety-two".