138029912034 has 32 divisors (see below), whose sum is σ = 315536449536. Its totient is φ = 39432179280.

The previous prime is 138029912021. The next prime is 138029912051. The reversal of 138029912034 is 430219920831.

It is a super-2 number, since 2×138029912034² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140479 + ... + 543869.

It is an arithmetic number, because the mean of its divisors is an integer number (9860514048).

Almost surely, 2^138029912034 is an apocalyptic number.

138029912034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138029912034 is an abundant number, since it is smaller than the sum of its proper divisors (177506537502).

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

138029912034 is a wasteful number, since it uses less digits than its factorization.

138029912034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411550.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 138029912034 in words is "one hundred thirty-eight billion, twenty-nine million, nine hundred twelve thousand, thirty-four".