34729157138 has 32 divisors (see below), whose sum is σ = 57075883200. Its totient is φ = 15750518976.

The previous prime is 34729157137. The next prime is 34729157173. The reversal of 34729157138 is 83175192743.

It is a super-2 number, since 2×34729157138² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34729157137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6690248 + ... + 6695436.

It is an arithmetic number, because the mean of its divisors is an integer number (1783621350).

Almost surely, 2^34729157138 is an apocalyptic number.

34729157138 is a deficient number, since it is larger than the sum of its proper divisors (22346726062).

34729157138 is a wasteful number, since it uses less digits than its factorization.

34729157138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9626.

The product of its digits is 1270080, while the sum is 50.

The spelling of 34729157138 in words is "thirty-four billion, seven hundred twenty-nine million, one hundred fifty-seven thousand, one hundred thirty-eight".