146125139 has 2 divisors, whose sum is σ = 146125140. Its totient is φ = 146125138.

The previous prime is 146125061. The next prime is 146125151. The reversal of 146125139 is 931521641.

146125139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146125139 - 2²⁰ = 145076563 is a prime.

It is not a weakly prime, because it can be changed into another prime (146115139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73062569 + 73062570.

It is an arithmetic number, because the mean of its divisors is an integer number (73062570).

Almost surely, 2^146125139 is an apocalyptic number.

146125139 is a deficient number, since it is larger than the sum of its proper divisors (1).

146125139 is an equidigital number, since it uses as much as digits as its factorization.

146125139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 146125139 is about 12088.2231531355. The cubic root of 146125139 is about 526.7141420021.

The spelling of 146125139 in words is "one hundred forty-six million, one hundred twenty-five thousand, one hundred thirty-nine".