33132157 has 4 divisors (see below), whose sum is σ = 33154720. Its totient is φ = 33109596.

The previous prime is 33132139. The next prime is 33132161. The reversal of 33132157 is 75123133.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33132157 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 (33132557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8913 + ... + 12070.

It is an arithmetic number, because the mean of its divisors is an integer number (8288680).

Almost surely, 2^33132157 is an apocalyptic number.

It is an amenable number.

33132157 is a deficient number, since it is larger than the sum of its proper divisors (22563).

33132157 is a wasteful number, since it uses less digits than its factorization.

33132157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22562.

The product of its digits is 1890, while the sum is 25.

The square root of 33132157 is about 5756.0539434581. The cubic root of 33132157 is about 321.1810425959.

The spelling of 33132157 in words is "thirty-three million, one hundred thirty-two thousand, one hundred fifty-seven".