675440131 has 4 divisors (see below), whose sum is σ = 698731200. Its totient is φ = 652149064.

The previous prime is 675440099. The next prime is 675440137. The reversal of 675440131 is 131044576.

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

It is a cyclic number.

It is not a de Polignac number, because 675440131 - 2⁵ = 675440099 is a prime.

It is a super-2 number, since 2×675440131² = 912438741130594322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 675440093 and 675440102.

It is not an unprimeable number, because it can be changed into a prime (675440137) 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, 11645491 + ... + 11645548.

It is an arithmetic number, because the mean of its divisors is an integer number (174682800).

Almost surely, 2^675440131 is an apocalyptic number.

675440131 is a deficient number, since it is larger than the sum of its proper divisors (23291069).

675440131 is a wasteful number, since it uses less digits than its factorization.

675440131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23291068.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 675440131 is about 25989.2310582672. The cubic root of 675440131 is about 877.3959394247.

The spelling of 675440131 in words is "six hundred seventy-five million, four hundred forty thousand, one hundred thirty-one".