146139692 has 12 divisors (see below), whose sum is σ = 255832080. Its totient is φ = 73044816.

The previous prime is 146139689. The next prime is 146139727. The reversal of 146139692 is 296931641.

146139692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14609 + ... + 22487.

It is an arithmetic number, because the mean of its divisors is an integer number (21319340).

Almost surely, 2^146139692 is an apocalyptic number.

It is an amenable number.

146139692 is a deficient number, since it is larger than the sum of its proper divisors (109692388).

146139692 is a wasteful number, since it uses less digits than its factorization.

146139692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12520 (or 12518 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 146139692 is about 12088.8250876584. The cubic root of 146139692 is about 526.7316270529.

The spelling of 146139692 in words is "one hundred forty-six million, one hundred thirty-nine thousand, six hundred ninety-two".