132293021 has 4 divisors (see below), whose sum is σ = 151192032. Its totient is φ = 113394012.

The previous prime is 132293003. The next prime is 132293023. The reversal of 132293021 is 120392231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120392231 = 1901 ⋅63331.

It is a cyclic number.

It is not a de Polignac number, because 132293021 - 2²² = 128098717 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 (132293023) 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, 9449495 + ... + 9449508.

It is an arithmetic number, because the mean of its divisors is an integer number (37798008).

Almost surely, 2^132293021 is an apocalyptic number.

It is an amenable number.

132293021 is a deficient number, since it is larger than the sum of its proper divisors (18899011).

132293021 is an equidigital number, since it uses as much as digits as its factorization.

132293021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18899010.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 132293021 is about 11501.8703261687. The cubic root of 132293021 is about 509.5408157068.

The spelling of 132293021 in words is "one hundred thirty-two million, two hundred ninety-three thousand, twenty-one".