198465130 has 8 divisors (see below), whose sum is σ = 357237252. Its totient is φ = 79386048.

The previous prime is 198465121. The next prime is 198465139. The reversal of 198465130 is 31564891.

It is an interprime number because it is at equal distance from previous prime (198465121) and next prime (198465139).

It can be written as a sum of positive squares in 2 ways, for example, as 161874729 + 36590401 = 12723^2 + 6049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 198465130.

It is not an unprimeable number, because it can be changed into a prime (198465139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9923247 + ... + 9923266.

Almost surely, 2^198465130 is an apocalyptic number.

198465130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198465130 is a deficient number, since it is larger than the sum of its proper divisors (158772122).

198465130 is a wasteful number, since it uses less digits than its factorization.

198465130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19846520.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 198465130 is about 14087.7652592595. The cubic root of 198465130 is about 583.3037086089.

It can be divided in two parts, 19846 and 5130, that added together give a triangular number (24976 = T₂₂₃).

The spelling of 198465130 in words is "one hundred ninety-eight million, four hundred sixty-five thousand, one hundred thirty".