191507134348 has 12 divisors (see below), whose sum is σ = 335911477720. Its totient is φ = 95532426432.

The previous prime is 191507134327. The next prime is 191507134363. The reversal of 191507134348 is 843431705191.

It is a junction number, because it is equal to n+sod(n) for n = 191507134298 and 191507134307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55283238 + ... + 55286701.

Almost surely, 2^191507134348 is an apocalyptic number.

It is an amenable number.

191507134348 is a deficient number, since it is larger than the sum of its proper divisors (144404343372).

191507134348 is a wasteful number, since it uses less digits than its factorization.

191507134348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110570376 (or 110570374 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 191507134348 in words is "one hundred ninety-one billion, five hundred seven million, one hundred thirty-four thousand, three hundred forty-eight".