139653 has 12 divisors (see below), whose sum is σ = 205920. Its totient is φ = 91176.

The previous prime is 139627. The next prime is 139661. The reversal of 139653 is 356931.

139653 is a `hidden beast` number, since 1 + 3 + 9 + 653 = 666.

It is not a de Polignac number, because 139653 - 2⁶ = 139589 is a prime.

139653 is a lucky number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400 + ... + 662.

It is an arithmetic number, because the mean of its divisors is an integer number (17160).

2¹³⁹⁶⁵³ is an apocalyptic number.

It is an amenable number.

139653 is a deficient number, since it is larger than the sum of its proper divisors (66267).

139653 is a wasteful number, since it uses less digits than its factorization.

139653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 325 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 139653 is about 373.7017527387. The cubic root of 139653 is about 51.8820056344.

The spelling of 139653 in words is "one hundred thirty-nine thousand, six hundred fifty-three".