139452700 has 36 divisors (see below), whose sum is σ = 320416992. Its totient is φ = 52499200.

The previous prime is 139452697. The next prime is 139452701. The reversal of 139452700 is 7254931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139452701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39316 + ... + 42715.

It is an arithmetic number, because the mean of its divisors is an integer number (8900472).

Almost surely, 2^139452700 is an apocalyptic number.

139452700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139452700 is an abundant number, since it is smaller than the sum of its proper divisors (180964292).

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

139452700 is a wasteful number, since it uses less digits than its factorization.

139452700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82062 (or 82055 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 139452700 is about 11809.0092725851. The cubic root of 139452700 is about 518.5718951162.

The spelling of 139452700 in words is "one hundred thirty-nine million, four hundred fifty-two thousand, seven hundred".