139835136 has 216 divisors, whose sum is σ = 460145280. Its totient is φ = 36827136.

The previous prime is 139835083. The next prime is 139835161. The reversal of 139835136 is 631538931.

It is a junction number, because it is equal to n+sod(n) for n = 139835094 and 139835103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3779310 + ... + 3779346.

Almost surely, 2^139835136 is an apocalyptic number.

139835136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139835136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230072640).

139835136 is an abundant number, since it is smaller than the sum of its proper divisors (320310144).

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

139835136 is an equidigital number, since it uses as much as digits as its factorization.

139835136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 68 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 139835136 is about 11825.1907384194. The cubic root of 139835136 is about 519.0455074237.

The spelling of 139835136 in words is "one hundred thirty-nine million, eight hundred thirty-five thousand, one hundred thirty-six".