130502145541 has 4 divisors (see below), whose sum is σ = 130568291532. Its totient is φ = 130435999552.

The previous prime is 130502145503. The next prime is 130502145559. The reversal of 130502145541 is 145541205031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145541205031 = 139 ⋅1047059029.

It can be written as a sum of positive squares in 2 ways, for example, as 39209940225 + 91292205316 = 198015^2 + 302146^2 .

It is a cyclic number.

It is not a de Polignac number, because 130502145541 - 2⁹ = 130502145029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130502145341) 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, 33070036 + ... + 33073981.

It is an arithmetic number, because the mean of its divisors is an integer number (32642072883).

Almost surely, 2^130502145541 is an apocalyptic number.

It is an amenable number.

130502145541 is a deficient number, since it is larger than the sum of its proper divisors (66145991).

130502145541 is an equidigital number, since it uses as much as digits as its factorization.

130502145541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66145990.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 130502145541 in words is "one hundred thirty billion, five hundred two million, one hundred forty-five thousand, five hundred forty-one".