154013938 has 16 divisors (see below), whose sum is σ = 249474456. Its totient is φ = 70888320.

The previous prime is 154013929. The next prime is 154013953. The reversal of 154013938 is 839310451.

It can be written as a sum of positive squares in 4 ways, for example, as 140493609 + 13520329 = 11853^2 + 3677^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758 + ... + 17638.

Almost surely, 2^154013938 is an apocalyptic number.

154013938 is a deficient number, since it is larger than the sum of its proper divisors (95460518).

154013938 is a wasteful number, since it uses less digits than its factorization.

154013938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16269.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 154013938 is about 12410.2352113084. The cubic root of 154013938 is about 536.0270114293.

The spelling of 154013938 in words is "one hundred fifty-four million, thirteen thousand, nine hundred thirty-eight".