133526645 has 16 divisors (see below), whose sum is σ = 185858688. Its totient is φ = 90192960.

The previous prime is 133526609. The next prime is 133526677. The reversal of 133526645 is 546625331.

It is not a de Polignac number, because 133526645 - 2⁶ = 133526581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26126 + ... + 30815.

It is an arithmetic number, because the mean of its divisors is an integer number (11616168).

Almost surely, 2^133526645 is an apocalyptic number.

It is an amenable number.

133526645 is a deficient number, since it is larger than the sum of its proper divisors (52332043).

133526645 is an equidigital number, since it uses as much as digits as its factorization.

133526645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57020.

The product of its digits is 64800, while the sum is 35.

The square root of 133526645 is about 11555.3729926818. The cubic root of 133526645 is about 511.1197299621.

The spelling of 133526645 in words is "one hundred thirty-three million, five hundred twenty-six thousand, six hundred forty-five".