130540642 has 16 divisors (see below), whose sum is σ = 198148032. Its totient is φ = 64494640.

The previous prime is 130540609. The next prime is 130540681. The reversal of 130540642 is 246045031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158592 + ... + 159412.

It is an arithmetic number, because the mean of its divisors is an integer number (12384252).

Almost surely, 2^130540642 is an apocalyptic number.

130540642 is a deficient number, since it is larger than the sum of its proper divisors (67607390).

130540642 is a wasteful number, since it uses less digits than its factorization.

130540642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 130540642 is about 11425.4383723339. The cubic root of 130540642 is about 507.2809826051.

Adding to 130540642 its reverse (246045031), we get a palindrome (376585673).

The spelling of 130540642 in words is "one hundred thirty million, five hundred forty thousand, six hundred forty-two".