139354136 has 16 divisors (see below), whose sum is σ = 268351440. Its totient is φ = 67793760.

The previous prime is 139354133. The next prime is 139354141. The reversal of 139354136 is 631453931.

It is a junction number, because it is equal to n+sod(n) for n = 139354096 and 139354105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139354133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235100 + ... + 235691.

It is an arithmetic number, because the mean of its divisors is an integer number (16771965).

Almost surely, 2^139354136 is an apocalyptic number.

It is an amenable number.

139354136 is a deficient number, since it is larger than the sum of its proper divisors (128997304).

139354136 is a wasteful number, since it uses less digits than its factorization.

139354136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470834 (or 470830 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The square root of 139354136 is about 11804.8352805111. The cubic root of 139354136 is about 518.4496922307.

The spelling of 139354136 in words is "one hundred thirty-nine million, three hundred fifty-four thousand, one hundred thirty-six".