132211993 has 8 divisors (see below), whose sum is σ = 137236736. Its totient is φ = 127234800.

The previous prime is 132211973. The next prime is 132211999. The reversal of 132211993 is 399112231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132211993 is a prime.

It is a super-2 number, since 2×132211993² = 34960022186064098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132211999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6171 + ... + 17392.

It is an arithmetic number, because the mean of its divisors is an integer number (17154592).

Almost surely, 2^132211993 is an apocalyptic number.

It is an amenable number.

132211993 is a deficient number, since it is larger than the sum of its proper divisors (5024743).

132211993 is a wasteful number, since it uses less digits than its factorization.

132211993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23775.

The product of its digits is 2916, while the sum is 31.

The square root of 132211993 is about 11498.3474029967. The cubic root of 132211993 is about 509.4367651049.

The spelling of 132211993 in words is "one hundred thirty-two million, two hundred eleven thousand, nine hundred ninety-three".