133020525131245 has 4 divisors (see below), whose sum is σ = 159624630157500. Its totient is φ = 106416420104992.

The previous prime is 133020525131231. The next prime is 133020525131267. The reversal of 133020525131245 is 542131525020331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87147714066436 + 45872811064809 = 9335294^2 + 6772947^2 .

It is a cyclic number.

It is not a de Polignac number, because 133020525131245 - 2⁹ = 133020525130733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13302052513120 + ... + 13302052513129.

It is an arithmetic number, because the mean of its divisors is an integer number (39906157539375).

Almost surely, 2^{133020525131245} is an apocalyptic number.

It is an amenable number.

133020525131245 is a deficient number, since it is larger than the sum of its proper divisors (26604105026255).

133020525131245 is an equidigital number, since it uses as much as digits as its factorization.

133020525131245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26604105026254.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 133020525131245 in words is "one hundred thirty-three trillion, twenty billion, five hundred twenty-five million, one hundred thirty-one thousand, two hundred forty-five".