138862130 has 32 divisors (see below), whose sum is σ = 273310848. Its totient is φ = 50377600.

The previous prime is 138862117. The next prime is 138862177. The reversal of 138862130 is 31268831.

It is a happy number.

It is a super-2 number, since 2×138862130² = 38565382296273800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 56099 + ... + 58521.

It is an arithmetic number, because the mean of its divisors is an integer number (8540964).

Almost surely, 2^138862130 is an apocalyptic number.

138862130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138862130 is a deficient number, since it is larger than the sum of its proper divisors (134448718).

138862130 is a wasteful number, since it uses less digits than its factorization.

138862130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 138862130 is about 11783.9776815810. The cubic root of 138862130 is about 517.8388237538.

It can be divided in two parts, 138 and 862130, that added together give a palindrome (862268).

The spelling of 138862130 in words is "one hundred thirty-eight million, eight hundred sixty-two thousand, one hundred thirty".