138014090 has 32 divisors (see below), whose sum is σ = 259649280. Its totient is φ = 52766784.

The previous prime is 138014087. The next prime is 138014111. The reversal of 138014090 is 90410831.

138014090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16796 + ... + 23624.

It is an arithmetic number, because the mean of its divisors is an integer number (8114040).

Almost surely, 2^138014090 is an apocalyptic number.

138014090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138014090 is a deficient number, since it is larger than the sum of its proper divisors (121635190).

138014090 is a wasteful number, since it uses less digits than its factorization.

138014090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6926.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 138014090 is about 11747.9398193896. The cubic root of 138014090 is about 516.7825121204.

The spelling of 138014090 in words is "one hundred thirty-eight million, fourteen thousand, ninety".