138802837707670 has 64 divisors (see below), whose sum is σ = 274441559477760. Its totient is φ = 50309830771200.

The previous prime is 138802837707649. The next prime is 138802837707683. The reversal of 138802837707670 is 76707738208831.

It is a junction number, because it is equal to n+sod(n) for n = 138802837707596 and 138802837707605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99647905 + ... + 101031235.

It is an arithmetic number, because the mean of its divisors is an integer number (4288149366840).

Almost surely, 2^{138802837707670} is an apocalyptic number.

138802837707670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138802837707670 is a deficient number, since it is larger than the sum of its proper divisors (135638721770090).

138802837707670 is a wasteful number, since it uses less digits than its factorization.

138802837707670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406341.

The product of its (nonzero) digits is 132765696, while the sum is 67.

The spelling of 138802837707670 in words is "one hundred thirty-eight trillion, eight hundred two billion, eight hundred thirty-seven million, seven hundred seven thousand, six hundred seventy".