152125139 has 4 divisors (see below), whose sum is σ = 153958056. Its totient is φ = 150292224.

The previous prime is 152125123. The next prime is 152125177. The reversal of 152125139 is 931521251.

152125139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931521251 = 127 ⋅7334813.

It is a cyclic number.

It is not a de Polignac number, because 152125139 - 2⁴ = 152125123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152125189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916334 + ... + 916499.

It is an arithmetic number, because the mean of its divisors is an integer number (38489514).

Almost surely, 2^152125139 is an apocalyptic number.

152125139 is a deficient number, since it is larger than the sum of its proper divisors (1832917).

152125139 is an equidigital number, since it uses as much as digits as its factorization.

152125139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832916.

The product of its digits is 2700, while the sum is 29.

The square root of 152125139 is about 12333.9020184206. The cubic root of 152125139 is about 533.8267461999.

The spelling of 152125139 in words is "one hundred fifty-two million, one hundred twenty-five thousand, one hundred thirty-nine".