130040845 has 32 divisors (see below), whose sum is σ = 181025280. Its totient is φ = 88683840.

The previous prime is 130040839. The next prime is 130040857. The reversal of 130040845 is 548040031.

It is not a de Polignac number, because 130040845 - 2¹³ = 130032653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111234 + ... + 112396.

It is an arithmetic number, because the mean of its divisors is an integer number (5657040).

Almost surely, 2^130040845 is an apocalyptic number.

It is an amenable number.

130040845 is a deficient number, since it is larger than the sum of its proper divisors (50984435).

130040845 is a wasteful number, since it uses less digits than its factorization.

130040845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 130040845 is about 11403.5452820603. The cubic root of 130040845 is about 506.6327508365.

Adding to 130040845 its reverse (548040031), we get a palindrome (678080876).

The spelling of 130040845 in words is "one hundred thirty million, forty thousand, eight hundred forty-five".