132374021 has 4 divisors (see below), whose sum is σ = 142556652. Its totient is φ = 122191392.

The previous prime is 132374017. The next prime is 132374023. The reversal of 132374021 is 120473231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66601921 + 65772100 = 8161^2 + 8110^2 .

It is a cyclic number.

It is not a de Polignac number, because 132374021 - 2² = 132374017 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 (132374023) 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, 5091296 + ... + 5091321.

It is an arithmetic number, because the mean of its divisors is an integer number (35639163).

Almost surely, 2^132374021 is an apocalyptic number.

It is an amenable number.

132374021 is a deficient number, since it is larger than the sum of its proper divisors (10182631).

132374021 is a wasteful number, since it uses less digits than its factorization.

132374021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182630.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 132374021 is about 11505.3909538094. The cubic root of 132374021 is about 509.6447878971.

The spelling of 132374021 in words is "one hundred thirty-two million, three hundred seventy-four thousand, twenty-one".