133625165542013 has 4 divisors (see below), whose sum is σ = 133631949598140. Its totient is φ = 133618381485888.

The previous prime is 133625165541983. The next prime is 133625165542049. The reversal of 133625165542013 is 310245561526331.

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 17194979902489 + 116430185639524 = 4146683^2 + 10790282^2 .

It is a cyclic number.

It is not a de Polignac number, because 133625165542013 - 2¹² = 133625165537917 is a prime.

It is a super-2 number, since 2×133625165542013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133625165502013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3391998518 + ... + 3392037911.

It is an arithmetic number, because the mean of its divisors is an integer number (33407987399535).

Almost surely, 2^{133625165542013} is an apocalyptic number.

It is an amenable number.

133625165542013 is a deficient number, since it is larger than the sum of its proper divisors (6784056127).

133625165542013 is an equidigital number, since it uses as much as digits as its factorization.

133625165542013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784056126.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 133625165542013 in words is "one hundred thirty-three trillion, six hundred twenty-five billion, one hundred sixty-five million, five hundred forty-two thousand, thirteen".