265130383128 has 32 divisors (see below), whose sum is σ = 713812570800. Its totient is φ = 81578579328.

The previous prime is 265130383123. The next prime is 265130383163. The reversal of 265130383128 is 821383031562.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 265130383128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265130383123) 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, 424888123 + ... + 424888746.

Almost surely, 2^265130383128 is an apocalyptic number.

It is an amenable number.

265130383128 is an abundant number, since it is smaller than the sum of its proper divisors (448682187672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265130383128 is a wasteful number, since it uses less digits than its factorization.

265130383128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849776891 (or 849776887 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 265130383128 in words is "two hundred sixty-five billion, one hundred thirty million, three hundred eighty-three thousand, one hundred twenty-eight".