1956257132 has 12 divisors (see below), whose sum is σ = 3424255296. Its totient is φ = 977898480.

The previous prime is 1956257101. The next prime is 1956257137. The reversal of 1956257132 is 2317526591.

It is a self number, because there is not a number n which added to its sum of digits gives 1956257132.

It is not an unprimeable number, because it can be changed into a prime (1956257137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37628 + ... + 72995.

It is an arithmetic number, because the mean of its divisors is an integer number (285354608).

Almost surely, 2^1956257132 is an apocalyptic number.

It is an amenable number.

1956257132 is a deficient number, since it is larger than the sum of its proper divisors (1467998164).

1956257132 is a wasteful number, since it uses less digits than its factorization.

1956257132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115048 (or 115046 counting only the distinct ones).

The product of its digits is 113400, while the sum is 41.

The square root of 1956257132 is about 44229.5956572067. The cubic root of 1956257132 is about 1250.6678312975.

The spelling of 1956257132 in words is "one billion, nine hundred fifty-six million, two hundred fifty-seven thousand, one hundred thirty-two".