133541494 has 8 divisors (see below), whose sum is σ = 212095368. Its totient is φ = 62843040.

The previous prime is 133541467. The next prime is 133541497. The reversal of 133541494 is 494145331.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 3927691 = 133541494 / (1 + 3 + 3 + 5 + 4 + 1 + 4 + 9 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133541497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963812 + ... + 1963879.

It is an arithmetic number, because the mean of its divisors is an integer number (26511921).

Almost surely, 2^133541494 is an apocalyptic number.

133541494 is a deficient number, since it is larger than the sum of its proper divisors (78553874).

133541494 is a wasteful number, since it uses less digits than its factorization.

133541494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927710.

The product of its digits is 25920, while the sum is 34.

The square root of 133541494 is about 11556.0154897785. The cubic root of 133541494 is about 511.1386758326.

The spelling of 133541494 in words is "one hundred thirty-three million, five hundred forty-one thousand, four hundred ninety-four".