1356990404 has 48 divisors (see below), whose sum is σ = 3056234496. Its totient is φ = 511639200.

The previous prime is 1356990403. The next prime is 1356990413. The reversal of 1356990404 is 4040996531.

It is not an unprimeable number, because it can be changed into a prime (1356990403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61514 + ... + 80609.

It is an arithmetic number, because the mean of its divisors is an integer number (63671552).

Almost surely, 2^1356990404 is an apocalyptic number.

1356990404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1356990404 is an abundant number, since it is smaller than the sum of its proper divisors (1699244092).

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

1356990404 is a wasteful number, since it uses less digits than its factorization.

1356990404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142176 (or 142174 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 1356990404 is about 36837.3506647804. The cubic root of 1356990404 is about 1107.1137863212.

The spelling of 1356990404 in words is "one billion, three hundred fifty-six million, nine hundred ninety thousand, four hundred four".