139954136 has 32 divisors (see below), whose sum is σ = 304992000. Its totient is φ = 58962336.

The previous prime is 139954123. The next prime is 139954151. The reversal of 139954136 is 631459931.

139954136 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 139954093 and 139954102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17876 + ... + 24483.

It is an arithmetic number, because the mean of its divisors is an integer number (9531000).

Almost surely, 2^139954136 is an apocalyptic number.

It is an amenable number.

139954136 is an abundant number, since it is smaller than the sum of its proper divisors (165037864).

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

139954136 is a wasteful number, since it uses less digits than its factorization.

139954136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42431 (or 42427 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 139954136 is about 11830.2212997053. The cubic root of 139954136 is about 519.1927019565.

The spelling of 139954136 in words is "one hundred thirty-nine million, nine hundred fifty-four thousand, one hundred thirty-six".