69140938 has 48 divisors (see below), whose sum is σ = 117173304. Its totient is φ = 30551040.

The previous prime is 69140933. The next prime is 69140977. The reversal of 69140938 is 83904196.

It can be written as a sum of positive squares in 12 ways, for example, as 30614089 + 38526849 = 5533^2 + 6207^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 69140938.

It is not an unprimeable number, because it can be changed into a prime (69140933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1133428 + ... + 1133488.

Almost surely, 2^69140938 is an apocalyptic number.

69140938 is a deficient number, since it is larger than the sum of its proper divisors (48032366).

69140938 is a wasteful number, since it uses less digits than its factorization.

69140938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 69140938 is about 8315.1030059765. The cubic root of 69140938 is about 410.4356622276.

The spelling of 69140938 in words is "sixty-nine million, one hundred forty thousand, nine hundred thirty-eight".