132021392 has 10 divisors (see below), whose sum is σ = 255791478. Its totient is φ = 66010688.

The previous prime is 132021391. The next prime is 132021401. The reversal of 132021392 is 293120231.

It can be written as a sum of positive squares in only one way, i.e., 131239936 + 781456 = 11456^2 + 884^2 .

It is not an unprimeable number, because it can be changed into a prime (132021391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4125653 + ... + 4125684.

Almost surely, 2^132021392 is an apocalyptic number.

It is an amenable number.

132021392 is a deficient number, since it is larger than the sum of its proper divisors (123770086).

132021392 is an equidigital number, since it uses as much as digits as its factorization.

132021392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251345 (or 8251339 counting only the distinct ones).

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

The square root of 132021392 is about 11490.0562226649. The cubic root of 132021392 is about 509.1918406406.

The spelling of 132021392 in words is "one hundred thirty-two million, twenty-one thousand, three hundred ninety-two".