139794120 has 64 divisors (see below), whose sum is σ = 465984000. Its totient is φ = 37278144.

The previous prime is 139794119. The next prime is 139794173. The reversal of 139794120 is 21497931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 63640 + ... + 65799.

It is an arithmetic number, because the mean of its divisors is an integer number (7281000).

Almost surely, 2^139794120 is an apocalyptic number.

139794120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139794120 is an abundant number, since it is smaller than the sum of its proper divisors (326189880).

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

139794120 is a wasteful number, since it uses less digits than its factorization.

139794120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129459 (or 129449 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 139794120 is about 11823.4563474476. The cubic root of 139794120 is about 518.9947541987.

The spelling of 139794120 in words is "one hundred thirty-nine million, seven hundred ninety-four thousand, one hundred twenty".