133425479 has 8 divisors (see below), whose sum is σ = 146969472. Its totient is φ = 120117240.

The previous prime is 133425449. The next prime is 133425493. The reversal of 133425479 is 974524331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133425479 - 2⁸ = 133425223 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 (133425449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57749 + ... + 60014.

It is an arithmetic number, because the mean of its divisors is an integer number (18371184).

Almost surely, 2^133425479 is an apocalyptic number.

133425479 is a deficient number, since it is larger than the sum of its proper divisors (13543993).

133425479 is a wasteful number, since it uses less digits than its factorization.

133425479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117877.

The product of its digits is 90720, while the sum is 38.

The square root of 133425479 is about 11550.9947190707. The cubic root of 133425479 is about 510.9906146511.

The spelling of 133425479 in words is "one hundred thirty-three million, four hundred twenty-five thousand, four hundred seventy-nine".