1393527852 has 36 divisors (see below), whose sum is σ = 3523742040. Its totient is φ = 464349312.

The previous prime is 1393527833. The next prime is 1393527853. The reversal of 1393527852 is 2587253931.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1393527798 and 1393527807.

It is not an unprimeable number, because it can be changed into a prime (1393527853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149299 + ... + 158357.

Almost surely, 2^1393527852 is an apocalyptic number.

1393527852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1393527852 is an abundant number, since it is smaller than the sum of its proper divisors (2130214188).

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

1393527852 is a wasteful number, since it uses less digits than its factorization.

1393527852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13342 (or 13337 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 1393527852 is about 37329.9859630298. The cubic root of 1393527852 is about 1116.9623929416.

The spelling of 1393527852 in words is "one billion, three hundred ninety-three million, five hundred twenty-seven thousand, eight hundred fifty-two".