100132993 has 4 divisors (see below), whose sum is σ = 100153008. Its totient is φ = 100112980.

The previous prime is 100132987. The next prime is 100132997. The reversal of 100132993 is 399231001.

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: 399231001 = 13 ⋅30710077.

It is a cyclic number.

It is not a de Polignac number, because 100132993 - 2⁹ = 100132481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100132997) 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, 4878 + ... + 14968.

It is an arithmetic number, because the mean of its divisors is an integer number (25038252).

Almost surely, 2^100132993 is an apocalyptic number.

It is an amenable number.

100132993 is a deficient number, since it is larger than the sum of its proper divisors (20015).

100132993 is an equidigital number, since it uses as much as digits as its factorization.

100132993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20014.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 100132993 is about 10006.6474405767. The cubic root of 100132993 is about 464.3645584850.

Adding to 100132993 its reverse (399231001), we get a palindrome (499363994).

The spelling of 100132993 in words is "one hundred million, one hundred thirty-two thousand, nine hundred ninety-three".