130242878 has 4 divisors (see below), whose sum is σ = 195364320. Its totient is φ = 65121438.

The previous prime is 130242863. The next prime is 130242911. The reversal of 130242878 is 878242031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 878242031 = 5693 ⋅154267.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32560718 + ... + 32560721.

It is an arithmetic number, because the mean of its divisors is an integer number (48841080).

Almost surely, 2^130242878 is an apocalyptic number.

130242878 is a deficient number, since it is larger than the sum of its proper divisors (65121442).

130242878 is an equidigital number, since it uses as much as digits as its factorization.

130242878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65121441.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 130242878 is about 11412.4001857629. The cubic root of 130242878 is about 506.8949852978.

The spelling of 130242878 in words is "one hundred thirty million, two hundred forty-two thousand, eight hundred seventy-eight".