149567938 has 16 divisors (see below), whose sum is σ = 255822840. Its totient is φ = 64970496.

The previous prime is 149567933. The next prime is 149568007. The reversal of 149567938 is 839765941.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 138697729 + 10870209 = 11777^2 + 3297^2 .

It is not an unprimeable number, because it can be changed into a prime (149567933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168753 + ... + 169636.

Almost surely, 2^149567938 is an apocalyptic number.

149567938 is a deficient number, since it is larger than the sum of its proper divisors (106254902).

149567938 is a wasteful number, since it uses less digits than its factorization.

149567938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338421.

The product of its digits is 1632960, while the sum is 52.

The square root of 149567938 is about 12229.7971365023. The cubic root of 149567938 is about 530.8186446738.

The spelling of 149567938 in words is "one hundred forty-nine million, five hundred sixty-seven thousand, nine hundred thirty-eight".