133960451 has 4 divisors (see below), whose sum is σ = 134391504. Its totient is φ = 133529400.

The previous prime is 133960433. The next prime is 133960471. The reversal of 133960451 is 154069331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133960451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133960471) 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, 215060 + ... + 215681.

It is an arithmetic number, because the mean of its divisors is an integer number (33597876).

Almost surely, 2^133960451 is an apocalyptic number.

133960451 is a deficient number, since it is larger than the sum of its proper divisors (431053).

133960451 is an equidigital number, since it uses as much as digits as its factorization.

133960451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431052.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 133960451 is about 11574.1285201090. The cubic root of 133960451 is about 511.6726461238.

The spelling of 133960451 in words is "one hundred thirty-three million, nine hundred sixty thousand, four hundred fifty-one".