132139423 has 4 divisors (see below), whose sum is σ = 142304008. Its totient is φ = 121974840.

The previous prime is 132139379. The next prime is 132139489. The reversal of 132139423 is 324931231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324931231 = 59 ⋅5507309.

It is not a de Polignac number, because 132139423 - 2¹⁷ = 132008351 is a prime.

It is a super-2 number, since 2×132139423² = 34921654221545858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132139391 and 132139400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132139723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5082273 + ... + 5082298.

It is an arithmetic number, because the mean of its divisors is an integer number (35576002).

Almost surely, 2^132139423 is an apocalyptic number.

132139423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

132139423 is a deficient number, since it is larger than the sum of its proper divisors (10164585).

132139423 is a wasteful number, since it uses less digits than its factorization.

132139423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10164584.

The product of its digits is 3888, while the sum is 28.

The square root of 132139423 is about 11495.1912989737. The cubic root of 132139423 is about 509.3435395928.

The spelling of 132139423 in words is "one hundred thirty-two million, one hundred thirty-nine thousand, four hundred twenty-three".