139085100 has 360 divisors, whose sum is σ = 564630528. Its totient is φ = 28771200.

The previous prime is 139085077. The next prime is 139085113. The reversal of 139085100 is 1580931.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 623589 + ... + 623811.

Almost surely, 2^139085100 is an apocalyptic number.

139085100 is a gapful number since it is divisible by the number (10) 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 139085100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282315264).

139085100 is an abundant number, since it is smaller than the sum of its proper divisors (425545428).

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

139085100 is a wasteful number, since it uses less digits than its factorization.

139085100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 139085100 is about 11793.4346142250. The cubic root of 139085100 is about 518.1158389929.

The spelling of 139085100 in words is "one hundred thirty-nine million, eighty-five thousand, one hundred".