139892814 has 12 divisors (see below), whose sum is σ = 303101136. Its totient is φ = 46630932.

The previous prime is 139892771. The next prime is 139892867. The reversal of 139892814 is 418298931.

It is a self number, because there is not a number n which added to its sum of digits gives 139892814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3885894 + ... + 3885929.

It is an arithmetic number, because the mean of its divisors is an integer number (25258428).

Almost surely, 2^139892814 is an apocalyptic number.

139892814 is an abundant number, since it is smaller than the sum of its proper divisors (163208322).

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

139892814 is a wasteful number, since it uses less digits than its factorization.

139892814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771831 (or 7771828 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 139892814 is about 11827.6292637198. The cubic root of 139892814 is about 519.1168614302.

The spelling of 139892814 in words is "one hundred thirty-nine million, eight hundred ninety-two thousand, eight hundred fourteen".