130402534 has 8 divisors (see below), whose sum is σ = 199765728. Its totient is φ = 63813960.

The previous prime is 130402513. The next prime is 130402537. The reversal of 130402534 is 435204031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130402537) 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, 693537 + ... + 693724.

It is an arithmetic number, because the mean of its divisors is an integer number (24970716).

Almost surely, 2^130402534 is an apocalyptic number.

130402534 is a deficient number, since it is larger than the sum of its proper divisors (69363194).

130402534 is a wasteful number, since it uses less digits than its factorization.

130402534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387310.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 130402534 is about 11419.3928910429. The cubic root of 130402534 is about 507.1020235664.

Adding to 130402534 its reverse (435204031), we get a palindrome (565606565).

The spelling of 130402534 in words is "one hundred thirty million, four hundred two thousand, five hundred thirty-four".