132804251 has 4 divisors (see below), whose sum is σ = 134786472. Its totient is φ = 130822032.

The previous prime is 132804241. The next prime is 132804299. The reversal of 132804251 is 152408231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152408231 = 53 ⋅2875627.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132804251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132804251.

It is not an unprimeable number, because it can be changed into a prime (132804241) 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, 991010 + ... + 991143.

It is an arithmetic number, because the mean of its divisors is an integer number (33696618).

Almost surely, 2^132804251 is an apocalyptic number.

132804251 is a deficient number, since it is larger than the sum of its proper divisors (1982221).

132804251 is an equidigital number, since it uses as much as digits as its factorization.

132804251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982220.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 132804251 is about 11524.0726741895. The cubic root of 132804251 is about 510.1963245177.

The spelling of 132804251 in words is "one hundred thirty-two million, eight hundred four thousand, two hundred fifty-one".