133926975940 has 12 divisors (see below), whose sum is σ = 281246649516. Its totient is φ = 53570790368.

The previous prime is 133926975883. The next prime is 133926976031. The reversal of 133926975940 is 49579629331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 74246440324 + 59680535616 = 272482^2 + 244296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3348174379 + ... + 3348174418.

It is an arithmetic number, because the mean of its divisors is an integer number (23437220793).

Almost surely, 2^133926975940 is an apocalyptic number.

133926975940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133926975940 is an abundant number, since it is smaller than the sum of its proper divisors (147319673576).

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

133926975940 is a wasteful number, since it uses less digits than its factorization.

133926975940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696348806 (or 6696348804 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 133926975940 in words is "one hundred thirty-three billion, nine hundred twenty-six million, nine hundred seventy-five thousand, nine hundred forty".