139341536 has 12 divisors (see below), whose sum is σ = 274328712. Its totient is φ = 69670752.

The previous prime is 139341533. The next prime is 139341551. The reversal of 139341536 is 635143931.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 139341496 and 139341505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139341533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2177180 + ... + 2177243.

It is an arithmetic number, because the mean of its divisors is an integer number (22860726).

Almost surely, 2^139341536 is an apocalyptic number.

139341536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139341536 is a deficient number, since it is larger than the sum of its proper divisors (134987176).

139341536 is an equidigital number, since it uses as much as digits as its factorization.

139341536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354433 (or 4354425 counting only the distinct ones).

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

The square root of 139341536 is about 11804.3015888277. The cubic root of 139341536 is about 518.4340661833.

The spelling of 139341536 in words is "one hundred thirty-nine million, three hundred forty-one thousand, five hundred thirty-six".