139713500 has 48 divisors (see below), whose sum is σ = 318427200. Its totient is φ = 53451200.

The previous prime is 139713467. The next prime is 139713521. The reversal of 139713500 is 5317931.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5426 + ... + 17574.

It is an arithmetic number, because the mean of its divisors is an integer number (6633900).

Almost surely, 2^139713500 is an apocalyptic number.

139713500 is a gapful number since it is divisible by the number (10) 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 139713500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159213600).

139713500 is an abundant number, since it is smaller than the sum of its proper divisors (178713700).

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

139713500 is a wasteful number, since it uses less digits than its factorization.

139713500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12191 (or 12179 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 139713500 is about 11820.0465312113. The cubic root of 139713500 is about 518.8949660173.

It can be divided in two parts, 13971 and 3500, that added together give a palindrome (17471).

The spelling of 139713500 in words is "one hundred thirty-nine million, seven hundred thirteen thousand, five hundred".