139056140 has 12 divisors (see below), whose sum is σ = 292017936. Its totient is φ = 55622448.

The previous prime is 139056119. The next prime is 139056157. The reversal of 139056140 is 41650931.

It is a super-2 number, since 2×139056140² = 38673220143399200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3476384 + ... + 3476423.

It is an arithmetic number, because the mean of its divisors is an integer number (24334828).

Almost surely, 2^139056140 is an apocalyptic number.

139056140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139056140 is an abundant number, since it is smaller than the sum of its proper divisors (152961796).

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

139056140 is a wasteful number, since it uses less digits than its factorization.

139056140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952816 (or 6952814 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 139056140 is about 11792.2067485268. The cubic root of 139056140 is about 518.0798761754.

The spelling of 139056140 in words is "one hundred thirty-nine million, fifty-six thousand, one hundred forty".