130440302 has 4 divisors (see below), whose sum is σ = 195660456. Its totient is φ = 65220150.

The previous prime is 130440287. The next prime is 130440313. The reversal of 130440302 is 203044031.

It is a semiprime because it is the product of two primes.

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, 32610074 + ... + 32610077.

It is an arithmetic number, because the mean of its divisors is an integer number (48915114).

Almost surely, 2^130440302 is an apocalyptic number.

130440302 is a deficient number, since it is larger than the sum of its proper divisors (65220154).

130440302 is an equidigital number, since it uses as much as digits as its factorization.

130440302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65220153.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 130440302 is about 11421.0464494284. The cubic root of 130440302 is about 507.1509755306.

Adding to 130440302 its reverse (203044031), we get a palindrome (333484333).

The spelling of 130440302 in words is "one hundred thirty million, four hundred forty thousand, three hundred two".