139092828 has 48 divisors (see below), whose sum is σ = 379970304. Its totient is φ = 38770560.

The previous prime is 139092823. The next prime is 139092853. The reversal of 139092828 is 828290931.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 139092828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139092823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16750 + ... + 23637.

It is an arithmetic number, because the mean of its divisors is an integer number (7916048).

Almost surely, 2^139092828 is an apocalyptic number.

It is an amenable number.

139092828 is an abundant number, since it is smaller than the sum of its proper divisors (240877476).

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

139092828 is a wasteful number, since it uses less digits than its factorization.

139092828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40442 (or 40440 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 139092828 is about 11793.7622495962. The cubic root of 139092828 is about 518.1254348568.

The spelling of 139092828 in words is "one hundred thirty-nine million, ninety-two thousand, eight hundred twenty-eight".