3132640694 has 32 divisors (see below), whose sum is σ = 5266684800. Its totient is φ = 1388741760.

The previous prime is 3132640681. The next prime is 3132640703. The reversal of 3132640694 is 4960462313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102089 + ... + 129179.

It is an arithmetic number, because the mean of its divisors is an integer number (164583900).

Almost surely, 2^3132640694 is an apocalyptic number.

3132640694 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3132640694 is a deficient number, since it is larger than the sum of its proper divisors (2134044106).

3132640694 is a wasteful number, since it uses less digits than its factorization.

3132640694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27308.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 3132640694 is about 55969.9981597284. The cubic root of 3132640694 is about 1463.1994472917.

The spelling of 3132640694 in words is "three billion, one hundred thirty-two million, six hundred forty thousand, six hundred ninety-four".