130143402 has 32 divisors (see below), whose sum is σ = 290900160. Its totient is φ = 43127280.

The previous prime is 130143401. The next prime is 130143421. The reversal of 130143402 is 204341031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (130143401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2377 + ... + 16307.

It is an arithmetic number, because the mean of its divisors is an integer number (9090630).

Almost surely, 2^130143402 is an apocalyptic number.

130143402 is an abundant number, since it is smaller than the sum of its proper divisors (160756758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130143402 is a wasteful number, since it uses less digits than its factorization.

130143402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14115 (or 14109 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130143402 is about 11408.0411114266. The cubic root of 130143402 is about 506.7659015192.

Adding to 130143402 its reverse (204341031), we get a palindrome (334484433).

The spelling of 130143402 in words is "one hundred thirty million, one hundred forty-three thousand, four hundred two".