37139394 has 16 divisors (see below), whose sum is σ = 74338560. Its totient is φ = 12369840.

The previous prime is 37139393. The next prime is 37139413. The reversal of 37139394 is 49393173.

37139394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (37139393) 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, 13039 + ... + 15629.

It is an arithmetic number, because the mean of its divisors is an integer number (4646160).

Almost surely, 2^37139394 is an apocalyptic number.

37139394 is an abundant number, since it is smaller than the sum of its proper divisors (37199166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37139394 is a wasteful number, since it uses less digits than its factorization.

37139394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985.

The product of its digits is 61236, while the sum is 39.

The square root of 37139394 is about 6094.2098749551. The cubic root of 37139394 is about 333.6401217781.

The spelling of 37139394 in words is "thirty-seven million, one hundred thirty-nine thousand, three hundred ninety-four".