139740896 has 24 divisors (see below), whose sum is σ = 289595880. Its totient is φ = 66192768.

The previous prime is 139740889. The next prime is 139740899. The reversal of 139740896 is 698047931.

139740896 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 139740896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139740899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114311 + ... + 115526.

It is an arithmetic number, because the mean of its divisors is an integer number (12066495).

Almost surely, 2^139740896 is an apocalyptic number.

139740896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139740896 is an abundant number, since it is smaller than the sum of its proper divisors (149854984).

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

139740896 is a wasteful number, since it uses less digits than its factorization.

139740896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229866 (or 229858 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 139740896 is about 11821.2053530932. The cubic root of 139740896 is about 518.9288799851.

The spelling of 139740896 in words is "one hundred thirty-nine million, seven hundred forty thousand, eight hundred ninety-six".