69319138 has 24 divisors (see below), whose sum is σ = 120742272. Its totient is φ = 29238264.

The previous prime is 69319109. The next prime is 69319147. The reversal of 69319138 is 83191396.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 69319138.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62295 + ... + 63397.

It is an arithmetic number, because the mean of its divisors is an integer number (5030928).

Almost surely, 2^69319138 is an apocalyptic number.

69319138 is a deficient number, since it is larger than the sum of its proper divisors (51423134).

69319138 is a wasteful number, since it uses less digits than its factorization.

69319138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 1179 counting only the distinct ones).

The product of its digits is 34992, while the sum is 40.

The square root of 69319138 is about 8325.8115520350. The cubic root of 69319138 is about 410.7879710603.

The spelling of 69319138 in words is "sixty-nine million, three hundred nineteen thousand, one hundred thirty-eight".