745195875131 has 4 divisors (see below), whose sum is σ = 745197892152. Its totient is φ = 745193858112.

The previous prime is 745195875113. The next prime is 745195875163. The reversal of 745195875131 is 131578591547.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745195875131 is a prime.

It is a super-2 number, since 2×745195875131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745195872131) 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, 277901 + ... + 1252046.

It is an arithmetic number, because the mean of its divisors is an integer number (186299473038).

Almost surely, 2^745195875131 is an apocalyptic number.

745195875131 is a deficient number, since it is larger than the sum of its proper divisors (2017021).

745195875131 is a wasteful number, since it uses less digits than its factorization.

745195875131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017020.

The product of its digits is 5292000, while the sum is 56.

The spelling of 745195875131 in words is "seven hundred forty-five billion, one hundred ninety-five million, eight hundred seventy-five thousand, one hundred thirty-one".