139942300 has 72 divisors (see below), whose sum is σ = 323791776. Its totient is φ = 52316160.

The previous prime is 139942291. The next prime is 139942303. The reversal of 139942300 is 3249931.

139942300 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 (139942303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446944 + ... + 447256.

It is an arithmetic number, because the mean of its divisors is an integer number (4497108).

Almost surely, 2^139942300 is an apocalyptic number.

139942300 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 139942300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161895888).

139942300 is an abundant number, since it is smaller than the sum of its proper divisors (183849476).

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

139942300 is a wasteful number, since it uses less digits than its factorization.

139942300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 139942300 is about 11829.7210448937. The cubic root of 139942300 is about 519.1780654043.

The spelling of 139942300 in words is "one hundred thirty-nine million, nine hundred forty-two thousand, three hundred".