133456542441025 has 24 divisors (see below), whose sum is σ = 166178043612000. Its totient is φ = 106318993920000.

The previous prime is 133456542440999. The next prime is 133456542441083. The reversal of 133456542441025 is 520144245654331.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-133456542441025 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133456542441025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29910721 + ... + 34081729.

It is an arithmetic number, because the mean of its divisors is an integer number (6924085150500).

Almost surely, 2^{133456542441025} is an apocalyptic number.

It is an amenable number.

133456542441025 is a deficient number, since it is larger than the sum of its proper divisors (32721501170975).

133456542441025 is a wasteful number, since it uses less digits than its factorization.

133456542441025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176369 (or 4176364 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 133456542441025 in words is "one hundred thirty-three trillion, four hundred fifty-six billion, five hundred forty-two million, four hundred forty-one thousand, twenty-five".