127564631474 has 24 divisors (see below), whose sum is σ = 225088261020. Its totient is φ = 54056276736.

The previous prime is 127564631461. The next prime is 127564631479. The reversal of 127564631474 is 474136465721.

It can be written as a sum of positive squares in 2 ways, for example, as 101866297225 + 25698334249 = 319165^2 + 160307^2 .

It is not an unprimeable number, because it can be changed into a prime (127564631479) 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, 7304087 + ... + 7321530.

Almost surely, 2^127564631474 is an apocalyptic number.

127564631474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

127564631474 is a deficient number, since it is larger than the sum of its proper divisors (97523629546).

127564631474 is a wasteful number, since it uses less digits than its factorization.

127564631474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14625722 (or 14625715 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

The spelling of 127564631474 in words is "one hundred twenty-seven billion, five hundred sixty-four million, six hundred thirty-one thousand, four hundred seventy-four".