130440145 has 8 divisors (see below), whose sum is σ = 170758080. Its totient is φ = 94865520.

The previous prime is 130440109. The next prime is 130440197. The reversal of 130440145 is 541044031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130440145 - 2⁹ = 130439633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185765 + ... + 1185874.

It is an arithmetic number, because the mean of its divisors is an integer number (21344760).

Almost surely, 2^130440145 is an apocalyptic number.

It is an amenable number.

130440145 is a deficient number, since it is larger than the sum of its proper divisors (40317935).

130440145 is a wasteful number, since it uses less digits than its factorization.

130440145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371655.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 130440145 is about 11421.0395761507. The cubic root of 130440145 is about 507.1507720589.

Adding to 130440145 its reverse (541044031), we get a palindrome (671484176).

The spelling of 130440145 in words is "one hundred thirty million, four hundred forty thousand, one hundred forty-five".