139427336 has 32 divisors (see below), whose sum is σ = 285742080. Its totient is φ = 63494400.

The previous prime is 139427317. The next prime is 139427363. The reversal of 139427336 is 633724931.

It is a self number, because there is not a number n which added to its sum of digits gives 139427336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12320 + ... + 20751.

It is an arithmetic number, because the mean of its divisors is an integer number (8929440).

Almost surely, 2^139427336 is an apocalyptic number.

It is an amenable number.

139427336 is an abundant number, since it is smaller than the sum of its proper divisors (146314744).

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

139427336 is a wasteful number, since it uses less digits than its factorization.

139427336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33125 (or 33121 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

The square root of 139427336 is about 11807.9352979257. The cubic root of 139427336 is about 518.5404534994.

The spelling of 139427336 in words is "one hundred thirty-nine million, four hundred twenty-seven thousand, three hundred thirty-six".