740656131 has 16 divisors (see below), whose sum is σ = 1001548800. Its totient is φ = 486799808.

The previous prime is 740656109. The next prime is 740656139. The reversal of 740656131 is 131656047.

It is a cyclic number.

It is not a de Polignac number, because 740656131 - 2⁶ = 740656067 is a prime.

It is a super-2 number, since 2×740656131² = 1097143008775778322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 740656092 and 740656101.

It is not an unprimeable number, because it can be changed into a prime (740656139) 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, 91990 + ... + 99716.

It is an arithmetic number, because the mean of its divisors is an integer number (62596800).

Almost surely, 2^740656131 is an apocalyptic number.

740656131 is a deficient number, since it is larger than the sum of its proper divisors (260892669).

740656131 is a wasteful number, since it uses less digits than its factorization.

740656131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 740656131 is about 27214.9982730112. The cubic root of 740656131 is about 904.7714209609.

The spelling of 740656131 in words is "seven hundred forty million, six hundred fifty-six thousand, one hundred thirty-one".