139790772 has 120 divisors (see below), whose sum is σ = 405828192. Its totient is φ = 41601600.

The previous prime is 139790753. The next prime is 139790801. The reversal of 139790772 is 277097931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 217083 + ... + 217725.

Almost surely, 2^139790772 is an apocalyptic number.

139790772 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 139790772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202914096).

139790772 is an abundant number, since it is smaller than the sum of its proper divisors (266037420).

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

139790772 is a wasteful number, since it uses less digits than its factorization.

139790772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 139790772 is about 11823.3147636355. The cubic root of 139790772 is about 518.9906109431.

The spelling of 139790772 in words is "one hundred thirty-nine million, seven hundred ninety thousand, seven hundred seventy-two".