1372940431 has 8 divisors (see below), whose sum is σ = 1427577984. Its totient is φ = 1318949760.

The previous prime is 1372940423. The next prime is 1372940467. The reversal of 1372940431 is 1340492731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1372940431 - 2³ = 1372940423 is a prime.

It is a super-2 number, since 2×1372940431² = 3769930854148931522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372940411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157390 + ... + 165883.

It is an arithmetic number, because the mean of its divisors is an integer number (178447248).

Almost surely, 2^1372940431 is an apocalyptic number.

1372940431 is a deficient number, since it is larger than the sum of its proper divisors (54637553).

1372940431 is a wasteful number, since it uses less digits than its factorization.

1372940431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323441.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1372940431 is about 37053.2108055429. The cubic root of 1372940431 is about 1111.4345629426.

The spelling of 1372940431 in words is "one billion, three hundred seventy-two million, nine hundred forty thousand, four hundred thirty-one".