139630 has 8 divisors (see below), whose sum is σ = 251352. Its totient is φ = 55848.

The previous prime is 139627. The next prime is 139661. The reversal of 139630 is 36931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6972 + ... + 6991.

It is an arithmetic number, because the mean of its divisors is an integer number (31419).

2¹³⁹⁶³⁰ is an apocalyptic number.

139630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139630 is a deficient number, since it is larger than the sum of its proper divisors (111722).

139630 is a wasteful number, since it uses less digits than its factorization.

139630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13970.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 139630 is about 373.6709782683. The cubic root of 139630 is about 51.8791572611.

The spelling of 139630 in words is "one hundred thirty-nine thousand, six hundred thirty".