132139705 has 8 divisors (see below), whose sum is σ = 160202952. Its totient is φ = 104621568.

The previous prime is 132139697. The next prime is 132139717. The reversal of 132139705 is 507931231.

It can be written as a sum of positive squares in 4 ways, for example, as 21132409 + 111007296 = 4597^2 + 10536^2 .

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 132139705 - 2³ = 132139697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135742 + ... + 136711.

It is an arithmetic number, because the mean of its divisors is an integer number (20025369).

Almost surely, 2^132139705 is an apocalyptic number.

It is an amenable number.

132139705 is a deficient number, since it is larger than the sum of its proper divisors (28063247).

132139705 is an equidigital number, since it uses as much as digits as its factorization.

132139705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272555.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 132139705 is about 11495.2035649657. The cubic root of 132139705 is about 509.3439019242.

The spelling of 132139705 in words is "one hundred thirty-two million, one hundred thirty-nine thousand, seven hundred five".