130242782 has 4 divisors (see below), whose sum is σ = 195364176. Its totient is φ = 65121390.

The previous prime is 130242751. The next prime is 130242787. The reversal of 130242782 is 287242031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 287242031 = 59 ⋅4868509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130242787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32560694 + ... + 32560697.

It is an arithmetic number, because the mean of its divisors is an integer number (48841044).

Almost surely, 2^130242782 is an apocalyptic number.

130242782 is a deficient number, since it is larger than the sum of its proper divisors (65121394).

130242782 is an equidigital number, since it uses as much as digits as its factorization.

130242782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65121393.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 130242782 is about 11412.3959798107. The cubic root of 130242782 is about 506.8948607563.

The spelling of 130242782 in words is "one hundred thirty million, two hundred forty-two thousand, seven hundred eighty-two".