138043403310 has 64 divisors (see below), whose sum is σ = 342054789120. Its totient is φ = 35617501440.

The previous prime is 138043403287. The next prime is 138043403321. The reversal of 138043403310 is 13304340831.

It is a super-2 number, since 2×138043403310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6843099 + ... + 6863241.

It is an arithmetic number, because the mean of its divisors is an integer number (5344606080).

Almost surely, 2^138043403310 is an apocalyptic number.

138043403310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138043403310 is an abundant number, since it is smaller than the sum of its proper divisors (204011385810).

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

138043403310 is a wasteful number, since it uses less digits than its factorization.

138043403310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27553.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 138043403310 in words is "one hundred thirty-eight billion, forty-three million, four hundred three thousand, three hundred ten".