130402542 has 8 divisors (see below), whose sum is σ = 260805096. Its totient is φ = 43467512.

The previous prime is 130402537. The next prime is 130402549. The reversal of 130402542 is 245204031.

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

130402542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130402549) 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, 10866873 + ... + 10866884.

It is an arithmetic number, because the mean of its divisors is an integer number (32600637).

Almost surely, 2^130402542 is an apocalyptic number.

130402542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130402542 is a wasteful number, since it uses less digits than its factorization.

130402542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21733762.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 130402542 is about 11419.3932413242. The cubic root of 130402542 is about 507.1020339364.

Adding to 130402542 its reverse (245204031), we get a palindrome (375606573).

The spelling of 130402542 in words is "one hundred thirty million, four hundred two thousand, five hundred forty-two".