38132139 has 32 divisors (see below), whose sum is σ = 56401920. Its totient is φ = 22809600.

The previous prime is 38132123. The next prime is 38132153. The reversal of 38132139 is 93123183.

It is not a de Polignac number, because 38132139 - 2⁴ = 38132123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38132539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140574 + ... + 140844.

It is an arithmetic number, because the mean of its divisors is an integer number (1762560).

Almost surely, 2^38132139 is an apocalyptic number.

38132139 is a deficient number, since it is larger than the sum of its proper divisors (18269781).

38132139 is a wasteful number, since it uses less digits than its factorization.

38132139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411.

The product of its digits is 3888, while the sum is 30.

The square root of 38132139 is about 6175.1225898763. The cubic root of 38132139 is about 336.5867811418.

The spelling of 38132139 in words is "thirty-eight million, one hundred thirty-two thousand, one hundred thirty-nine".