133707644515 has 16 divisors (see below), whose sum is σ = 164279478528. Its totient is φ = 104415577056.

The previous prime is 133707644479. The next prime is 133707644599. The reversal of 133707644515 is 515446707331.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133707644515 is a prime.

It is a Duffinian number.

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, 171874 + ... + 544936.

It is an arithmetic number, because the mean of its divisors is an integer number (10267467408).

Almost surely, 2^133707644515 is an apocalyptic number.

133707644515 is a deficient number, since it is larger than the sum of its proper divisors (30571834013).

133707644515 is a wasteful number, since it uses less digits than its factorization.

133707644515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374778.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 133707644515 in words is "one hundred thirty-three billion, seven hundred seven million, six hundred forty-four thousand, five hundred fifteen".