139995 has 32 divisors (see below), whose sum is σ = 267840. Its totient is φ = 69120.

The previous prime is 139991. The next prime is 139999. The reversal of 139995 is 599931.

139995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139991) and next prime (139999).

It is not a de Polignac number, because 139995 - 2² = 139991 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (139991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2265 + ... + 2325.

It is an arithmetic number, because the mean of its divisors is an integer number (8370).

2¹³⁹⁹⁹⁵ is an apocalyptic number.

139995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139995 is a deficient number, since it is larger than the sum of its proper divisors (127845).

139995 is a wasteful number, since it uses less digits than its factorization.

139995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 86 counting only the distinct ones).

The product of its digits is 10935, while the sum is 36.

The square root of 139995 is about 374.1590570867. The cubic root of 139995 is about 51.9243228571.

The spelling of 139995 in words is "one hundred thirty-nine thousand, nine hundred ninety-five".