138902501390 has 32 divisors (see below), whose sum is σ = 261282447360. Its totient is φ = 53114219424.

The previous prime is 138902501333. The next prime is 138902501401. The reversal of 138902501390 is 93105209831.

138902501390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3416270 + ... + 3456689.

It is an arithmetic number, because the mean of its divisors is an integer number (8165076480).

Almost surely, 2^138902501390 is an apocalyptic number.

138902501390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138902501390 is a deficient number, since it is larger than the sum of its proper divisors (122379945970).

138902501390 is a wasteful number, since it uses less digits than its factorization.

138902501390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6873056.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 138902501390 in words is "one hundred thirty-eight billion, nine hundred two million, five hundred one thousand, three hundred ninety".