133153401 has 16 divisors (see below), whose sum is σ = 194047488. Its totient is φ = 80851200.

The previous prime is 133153399. The next prime is 133153409. The reversal of 133153401 is 104351331.

It is not a de Polignac number, because 133153401 - 2¹ = 133153399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133153409) 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, 40530 + ... + 43691.

It is an arithmetic number, because the mean of its divisors is an integer number (12127968).

Almost surely, 2^133153401 is an apocalyptic number.

It is an amenable number.

133153401 is a deficient number, since it is larger than the sum of its proper divisors (60894087).

133153401 is a wasteful number, since it uses less digits than its factorization.

133153401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84272.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 133153401 is about 11539.2114548612. The cubic root of 133153401 is about 510.6430450704.

The spelling of 133153401 in words is "one hundred thirty-three million, one hundred fifty-three thousand, four hundred one".