139353936 has 20 divisors (see below), whose sum is σ = 359997792. Its totient is φ = 46451296.

The previous prime is 139353887. The next prime is 139353971. The reversal of 139353936 is 639353931.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1451556 + ... + 1451651.

Almost surely, 2^139353936 is an apocalyptic number.

139353936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139353936 is an abundant number, since it is smaller than the sum of its proper divisors (220643856).

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

139353936 is a wasteful number, since it uses less digits than its factorization.

139353936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903218 (or 2903212 counting only the distinct ones).

The product of its digits is 196830, while the sum is 42.

The square root of 139353936 is about 11804.8268094030. The cubic root of 139353936 is about 518.4494442056.

It can be divided in two parts, 13935 and 3936, that added together give a palindrome (17871).

The spelling of 139353936 in words is "one hundred thirty-nine million, three hundred fifty-three thousand, nine hundred thirty-six".