138703054 has 16 divisors (see below), whose sum is σ = 239026176. Its totient is φ = 59131800.

The previous prime is 138703049. The next prime is 138703069. The reversal of 138703054 is 450307831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23262 + ... + 28609.

It is an arithmetic number, because the mean of its divisors is an integer number (14939136).

Almost surely, 2^138703054 is an apocalyptic number.

138703054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138703054 is a deficient number, since it is larger than the sum of its proper divisors (100323122).

138703054 is a wasteful number, since it uses less digits than its factorization.

138703054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52071.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 138703054 is about 11777.2260740804. The cubic root of 138703054 is about 517.6410083512.

The spelling of 138703054 in words is "one hundred thirty-eight million, seven hundred three thousand, fifty-four".