139600100 has 18 divisors (see below), whose sum is σ = 302932434. Its totient is φ = 55840000.

The previous prime is 139600093. The next prime is 139600117. The reversal of 139600100 is 1006931.

It can be written as a sum of positive squares in 3 ways, for example, as 36699364 + 102900736 = 6058^2 + 10144^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 697901 + ... + 698100.

Almost surely, 2^139600100 is an apocalyptic number.

139600100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139600100 is an abundant number, since it is smaller than the sum of its proper divisors (163332334).

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

139600100 is a wasteful number, since it uses less digits than its factorization.

139600100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396015 (or 1396008 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 139600100 is about 11815.2486220138. The cubic root of 139600100 is about 518.7545390806.

The spelling of 139600100 in words is "one hundred thirty-nine million, six hundred thousand, one hundred".