139760 has 20 divisors (see below), whose sum is σ = 325128. Its totient is φ = 55872.

The previous prime is 139759. The next prime is 139787. The reversal of 139760 is 67931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) 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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794 + ... + 953.

2¹³⁹⁷⁶⁰ is an apocalyptic number.

139760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139760 is an abundant number, since it is smaller than the sum of its proper divisors (185368).

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

139760 is a wasteful number, since it uses less digits than its factorization.

139760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 139760 is about 373.8448876205. The cubic root of 139760 is about 51.8952526524.

The spelling of 139760 in words is "one hundred thirty-nine thousand, seven hundred sixty".