130235442 has 16 divisors (see below), whose sum is σ = 264140352. Its totient is φ = 42800240.

The previous prime is 130235429. The next prime is 130235447. The reversal of 130235442 is 244532031.

It is a super-2 number, since 2×130235442² = 33922540705870728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130235447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152433 + ... + 153284.

It is an arithmetic number, because the mean of its divisors is an integer number (16508772).

Almost surely, 2^130235442 is an apocalyptic number.

130235442 is an abundant number, since it is smaller than the sum of its proper divisors (133904910).

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

130235442 is a wasteful number, since it uses less digits than its factorization.

130235442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305793.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 130235442 is about 11412.0743951308. The cubic root of 130235442 is about 506.8853383395.

Adding to 130235442 its reverse (244532031), we get a palindrome (374767473).

The spelling of 130235442 in words is "one hundred thirty million, two hundred thirty-five thousand, four hundred forty-two".