130077442 has 16 divisors (see below), whose sum is σ = 213099264. Its totient is φ = 59058000.

The previous prime is 130077419. The next prime is 130077449. The reversal of 130077442 is 244770031.

It is a self number, because there is not a number n which added to its sum of digits gives 130077442.

It is not an unprimeable number, because it can be changed into a prime (130077449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19567 + ... + 25357.

It is an arithmetic number, because the mean of its divisors is an integer number (13318704).

Almost surely, 2^130077442 is an apocalyptic number.

130077442 is a deficient number, since it is larger than the sum of its proper divisors (83021822).

130077442 is a wasteful number, since it uses less digits than its factorization.

130077442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 130077442 is about 11405.1498017343. The cubic root of 130077442 is about 506.6802730841.

It can be divided in two parts, 13007 and 7442, that added together give a square (20449 = 143²).

The spelling of 130077442 in words is "one hundred thirty million, seventy-seven thousand, four hundred forty-two".