151432139 has 2 divisors, whose sum is σ = 151432140. Its totient is φ = 151432138.

The previous prime is 151432129. The next prime is 151432181. The reversal of 151432139 is 931234151.

151432139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (931234151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151432139 is a prime.

It is not a weakly prime, because it can be changed into another prime (151432129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75716069 + 75716070.

It is an arithmetic number, because the mean of its divisors is an integer number (75716070).

Almost surely, 2^151432139 is an apocalyptic number.

151432139 is a deficient number, since it is larger than the sum of its proper divisors (1).

151432139 is an equidigital number, since it uses as much as digits as its factorization.

151432139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 151432139 is about 12305.7766516380. The cubic root of 151432139 is about 533.0149033634.

The spelling of 151432139 in words is "one hundred fifty-one million, four hundred thirty-two thousand, one hundred thirty-nine".