195154407234 has 24 divisors (see below), whose sum is σ = 422842945980. Its totient is φ = 65050177248.

The previous prime is 195154407223. The next prime is 195154407269. The reversal of 195154407234 is 432704451591.

195154407234 is a `hidden beast` number, since 1 + 9 + 5 + 1 + 5 + 4 + 407 + 234 = 666.

195154407234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 195050306025 + 104101209 = 441645^2 + 10203^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 195154407234.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1378212 + ... + 1513200.

Almost surely, 2^195154407234 is an apocalyptic number.

195154407234 is an abundant number, since it is smaller than the sum of its proper divisors (227688538746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195154407234 is a wasteful number, since it uses less digits than its factorization.

195154407234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215314 (or 215311 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 195154407234 in words is "one hundred ninety-five billion, one hundred fifty-four million, four hundred seven thousand, two hundred thirty-four".