138080157 has 16 divisors (see below), whose sum is σ = 188092608. Its totient is φ = 90080640.

The previous prime is 138080153. The next prime is 138080221. The reversal of 138080157 is 751080831.

It is not a de Polignac number, because 138080157 - 2² = 138080153 is a prime.

It is a super-2 number, since 2×138080157² = 38132259514289298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138080153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26283 + ... + 31095.

It is an arithmetic number, because the mean of its divisors is an integer number (11755788).

Almost surely, 2^138080157 is an apocalyptic number.

It is an amenable number.

138080157 is a deficient number, since it is larger than the sum of its proper divisors (50012451).

138080157 is a wasteful number, since it uses less digits than its factorization.

138080157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 138080157 is about 11750.7513376805. The cubic root of 138080157 is about 516.8649597984.

The spelling of 138080157 in words is "one hundred thirty-eight million, eighty thousand, one hundred fifty-seven".