139416072 has 64 divisors (see below), whose sum is σ = 375883200. Its totient is φ = 42946560.

The previous prime is 139415989. The next prime is 139416073. The reversal of 139416072 is 270614931.

It is a super-2 number, since 2×139416072² = 38873682263818368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139416073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14968 + ... + 22424.

It is an arithmetic number, because the mean of its divisors is an integer number (5873175).

Almost surely, 2^139416072 is an apocalyptic number.

139416072 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 139416072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187941600).

139416072 is an abundant number, since it is smaller than the sum of its proper divisors (236467128).

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

139416072 is a wasteful number, since it uses less digits than its factorization.

139416072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526 (or 7522 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 139416072 is about 11807.4583209089. The cubic root of 139416072 is about 518.5264892436.

The spelling of 139416072 in words is "one hundred thirty-nine million, four hundred sixteen thousand, seventy-two".