139842760 has 32 divisors (see below), whose sum is σ = 328328640. Its totient is φ = 53504704.

The previous prime is 139842713. The next prime is 139842797. The reversal of 139842760 is 67248931.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75082 + ... + 76921.

It is an arithmetic number, because the mean of its divisors is an integer number (10260270).

Almost surely, 2^139842760 is an apocalyptic number.

139842760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139842760 is an abundant number, since it is smaller than the sum of its proper divisors (188485880).

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

139842760 is a wasteful number, since it uses less digits than its factorization.

139842760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152037 (or 152033 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 139842760 is about 11825.5130966906. The cubic root of 139842760 is about 519.0549402724.

The spelling of 139842760 in words is "one hundred thirty-nine million, eight hundred forty-two thousand, seven hundred sixty".