1025135864136 has 64 divisors (see below), whose sum is σ = 2863332326400. Its totient is φ = 339824030400.

The previous prime is 1025135864099. The next prime is 1025135864149. The reversal of 1025135864136 is 6314685315201.

1025135864136 is a `hidden beast` number, since 1 + 0 + 2 + 51 + 3 + 586 + 4 + 13 + 6 = 666.

It is a super-4 number, since 4×1025135864136⁴ (a number of 49 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1025135864091 and 1025135864100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13071400 + ... + 13149591.

It is an arithmetic number, because the mean of its divisors is an integer number (44739567600).

Almost surely, 2^{1025135864136} is an apocalyptic number.

It is an amenable number.

1025135864136 is an abundant number, since it is smaller than the sum of its proper divisors (1838196462264).

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

1025135864136 is a wasteful number, since it uses less digits than its factorization.

1025135864136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26221187 (or 26221177 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 1025135864136 in words is "one trillion, twenty-five billion, one hundred thirty-five million, eight hundred sixty-four thousand, one hundred thirty-six".