130945198 has 4 divisors (see below), whose sum is σ = 196417800. Its totient is φ = 65472598.

The previous prime is 130945193. The next prime is 130945231. The reversal of 130945198 is 891549031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 130945198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130945193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32736298 + ... + 32736301.

It is an arithmetic number, because the mean of its divisors is an integer number (49104450).

Almost surely, 2^130945198 is an apocalyptic number.

130945198 is a deficient number, since it is larger than the sum of its proper divisors (65472602).

130945198 is an equidigital number, since it uses as much as digits as its factorization.

130945198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65472601.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 130945198 is about 11443.1288553437. The cubic root of 130945198 is about 507.8044771144.

The spelling of 130945198 in words is "one hundred thirty million, nine hundred forty-five thousand, one hundred ninety-eight".