133874463 has 4 divisors (see below), whose sum is σ = 178499288. Its totient is φ = 89249640.

The previous prime is 133874459. The next prime is 133874479. The reversal of 133874463 is 364478331.

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

It is not a de Polignac number, because 133874463 - 2² = 133874459 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 (133870463) 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, 22312408 + ... + 22312413.

It is an arithmetic number, because the mean of its divisors is an integer number (44624822).

Almost surely, 2^133874463 is an apocalyptic number.

133874463 is a deficient number, since it is larger than the sum of its proper divisors (44624825).

133874463 is an equidigital number, since it uses as much as digits as its factorization.

133874463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44624824.

The product of its digits is 145152, while the sum is 39.

The square root of 133874463 is about 11570.4132596896. The cubic root of 133874463 is about 511.5631433454.

The spelling of 133874463 in words is "one hundred thirty-three million, eight hundred seventy-four thousand, four hundred sixty-three".