1040136403764 has 24 divisors (see below), whose sum is σ = 2428134686208. Its totient is φ = 346547885440.

The previous prime is 1040136403703. The next prime is 1040136403819. The reversal of 1040136403764 is 4673046310401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20504757 + ... + 20555420.

It is an arithmetic number, because the mean of its divisors is an integer number (101172278592).

Almost surely, 2^{1040136403764} is an apocalyptic number.

It is an amenable number.

1040136403764 is an abundant number, since it is smaller than the sum of its proper divisors (1387998282444).

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

1040136403764 is a wasteful number, since it uses less digits than its factorization.

1040136403764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41062295 (or 41062293 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 1040136403764 in words is "one trillion, forty billion, one hundred thirty-six million, four hundred three thousand, seven hundred sixty-four".