133872601 has 8 divisors (see below), whose sum is σ = 139462400. Its totient is φ = 128362320.

The previous prime is 133872589. The next prime is 133872617. The reversal of 133872601 is 106278331.

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

It is not a de Polignac number, because 133872601 - 2¹¹ = 133870553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133872691) 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, 16431 + ... + 23188.

It is an arithmetic number, because the mean of its divisors is an integer number (17432800).

Almost surely, 2^133872601 is an apocalyptic number.

It is an amenable number.

133872601 is a deficient number, since it is larger than the sum of its proper divisors (5589799).

133872601 is a wasteful number, since it uses less digits than its factorization.

133872601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39759.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 133872601 is about 11570.3327955595. The cubic root of 133872601 is about 511.5607716334.

The spelling of 133872601 in words is "one hundred thirty-three million, eight hundred seventy-two thousand, six hundred one".