139495 has 8 divisors (see below), whose sum is σ = 174816. Its totient is φ = 106656.

The previous prime is 139493. The next prime is 139501. The reversal of 139495 is 594931.

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

It is a cyclic number.

It is not a de Polignac number, because 139495 - 2¹ = 139493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492 + ... + 721.

It is an arithmetic number, because the mean of its divisors is an integer number (21852).

2¹³⁹⁴⁹⁵ is an apocalyptic number.

139495 is a deficient number, since it is larger than the sum of its proper divisors (35321).

139495 is a wasteful number, since it uses less digits than its factorization.

139495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its digits is 4860, while the sum is 31.

The square root of 139495 is about 373.4902943853. The cubic root of 139495 is about 51.8624322388.

The spelling of 139495 in words is "one hundred thirty-nine thousand, four hundred ninety-five".