198132465 has 16 divisors (see below), whose sum is σ = 330795648. Its totient is φ = 101076096.

The previous prime is 198132463. The next prime is 198132481. The reversal of 198132465 is 564231891.

It is not a de Polignac number, because 198132465 - 2¹ = 198132463 is a prime.

It is a super-3 number, since 3×198132465³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (198132463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286804 + ... + 287493.

It is an arithmetic number, because the mean of its divisors is an integer number (20674728).

Almost surely, 2^198132465 is an apocalyptic number.

198132465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198132465 is a deficient number, since it is larger than the sum of its proper divisors (132663183).

198132465 is a wasteful number, since it uses less digits than its factorization.

198132465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574328.

The product of its digits is 51840, while the sum is 39.

The square root of 198132465 is about 14075.9534312955. The cubic root of 198132465 is about 582.9776173239.

The spelling of 198132465 in words is "one hundred ninety-eight million, one hundred thirty-two thousand, four hundred sixty-five".