139099092 has 48 divisors (see below), whose sum is σ = 358579200. Its totient is φ = 41614560.

The previous prime is 139099087. The next prime is 139099111. The reversal of 139099092 is 290990931.

It is a happy number.

139099092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3759 + ... + 17097.

It is an arithmetic number, because the mean of its divisors is an integer number (7470400).

Almost surely, 2^139099092 is an apocalyptic number.

139099092 is a gapful number since it is divisible by the number (12) 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 139099092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179289600).

139099092 is an abundant number, since it is smaller than the sum of its proper divisors (219480108).

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

139099092 is a wasteful number, since it uses less digits than its factorization.

139099092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13436 (or 13434 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 42.

The square root of 139099092 is about 11794.0278107184. The cubic root of 139099092 is about 518.1332126098.

It can be divided in two parts, 1 and 39099092, that added together give a palindrome (39099093).

The spelling of 139099092 in words is "one hundred thirty-nine million, ninety-nine thousand, ninety-two".