132998493 has 4 divisors (see below), whose sum is σ = 177331328. Its totient is φ = 88665660.

The previous prime is 132998491. The next prime is 132998519. The reversal of 132998493 is 394899231.

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.

It is not a de Polignac number, because 132998493 - 2¹ = 132998491 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 (132998491) 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, 22166413 + ... + 22166418.

It is an arithmetic number, because the mean of its divisors is an integer number (44332832).

Almost surely, 2^132998493 is an apocalyptic number.

It is an amenable number.

132998493 is a deficient number, since it is larger than the sum of its proper divisors (44332835).

132998493 is an equidigital number, since it uses as much as digits as its factorization.

132998493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44332834.

The product of its digits is 419904, while the sum is 48.

The square root of 132998493 is about 11532.4972577495. The cubic root of 132998493 is about 510.4449442645. Note that the first 3 decimals are identical.

The spelling of 132998493 in words is "one hundred thirty-two million, nine hundred ninety-eight thousand, four hundred ninety-three".