139953590 has 32 divisors (see below), whose sum is σ = 288368640. Its totient is φ = 47906784.

The previous prime is 139953589. The next prime is 139953599. The reversal of 139953590 is 95359931.

139953590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139953599) 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, 57539 + ... + 59921.

It is an arithmetic number, because the mean of its divisors is an integer number (9011520).

Almost surely, 2^139953590 is an apocalyptic number.

139953590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139953590 is an abundant number, since it is smaller than the sum of its proper divisors (148415050).

139953590 is a wasteful number, since it uses less digits than its factorization.

139953590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236.

The product of its (nonzero) digits is 164025, while the sum is 44.

The square root of 139953590 is about 11830.1982231914. The cubic root of 139953590 is about 519.1920267840.

The spelling of 139953590 in words is "one hundred thirty-nine million, nine hundred fifty-three thousand, five hundred ninety".