125664143236 has 24 divisors (see below), whose sum is σ = 220364594240. Its totient is φ = 62702962272.

The previous prime is 125664143233. The next prime is 125664143243. The reversal of 125664143236 is 632341466521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125664143192 and 125664143201.

It is not an unprimeable number, because it can be changed into a prime (125664143233) 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, 4056775 + ... + 4087633.

Almost surely, 2^125664143236 is an apocalyptic number.

It is an amenable number.

125664143236 is a deficient number, since it is larger than the sum of its proper divisors (94700451004).

125664143236 is a wasteful number, since it uses less digits than its factorization.

125664143236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32923 (or 32921 counting only the distinct ones).

The product of its digits is 622080, while the sum is 43.

The spelling of 125664143236 in words is "one hundred twenty-five billion, six hundred sixty-four million, one hundred forty-three thousand, two hundred thirty-six".