130042133402 has 8 divisors (see below), whose sum is σ = 195079631796. Its totient is φ = 65015589472.

The previous prime is 130042133393. The next prime is 130042133407. The reversal of 130042133402 is 204331240031.

It can be written as a sum of positive squares in 2 ways, for example, as 124975683361 + 5066450041 = 353519^2 + 71179^2 .

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

It is not an unprimeable number, because it can be changed into a prime (130042133407) 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, 2708873 + ... + 2756460.

Almost surely, 2^130042133402 is an apocalyptic number.

130042133402 is a deficient number, since it is larger than the sum of its proper divisors (65037498394).

130042133402 is a wasteful number, since it uses less digits than its factorization.

130042133402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477232.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 130042133402 its reverse (204331240031), we get a palindrome (334373373433).

The spelling of 130042133402 in words is "one hundred thirty billion, forty-two million, one hundred thirty-three thousand, four hundred two".