151640139 has 16 divisors (see below), whose sum is σ = 231322112. Its totient is φ = 86557248.

The previous prime is 151640123. The next prime is 151640141. The reversal of 151640139 is 931046151.

It is not a de Polignac number, because 151640139 - 2⁴ = 151640123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151640149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18927 + ... + 25719.

It is an arithmetic number, because the mean of its divisors is an integer number (14457632).

Almost surely, 2^151640139 is an apocalyptic number.

151640139 is a deficient number, since it is larger than the sum of its proper divisors (79681973).

151640139 is a wasteful number, since it uses less digits than its factorization.

151640139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7866.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 151640139 is about 12314.2250669703. The cubic root of 151640139 is about 533.2588330399.

The spelling of 151640139 in words is "one hundred fifty-one million, six hundred forty thousand, one hundred thirty-nine".