133462861 has 16 divisors (see below), whose sum is σ = 155418624. Its totient is φ = 112243824.

The previous prime is 133462817. The next prime is 133462867. The reversal of 133462861 is 168264331.

It is a happy number.

It is not a de Polignac number, because 133462861 - 2⁹ = 133462349 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 (133462867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179256 + ... + 179998.

It is an arithmetic number, because the mean of its divisors is an integer number (9713664).

Almost surely, 2^133462861 is an apocalyptic number.

It is an amenable number.

133462861 is a deficient number, since it is larger than the sum of its proper divisors (21955763).

133462861 is an equidigital number, since it uses as much as digits as its factorization.

133462861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its digits is 20736, while the sum is 34.

The square root of 133462861 is about 11552.6127347886. The cubic root of 133462861 is about 511.0383318429.

The spelling of 133462861 in words is "one hundred thirty-three million, four hundred sixty-two thousand, eight hundred sixty-one".