187914134464 has 42 divisors (see below), whose sum is σ = 433772462400. Its totient is φ = 80534627712.

The previous prime is 187914134449. The next prime is 187914134477. The reversal of 187914134464 is 464431419781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29957664 + ... + 29963935.

Almost surely, 2^187914134464 is an apocalyptic number.

187914134464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

187914134464 is an abundant number, since it is smaller than the sum of its proper divisors (245858327936).

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

187914134464 is an equidigital number, since it uses as much as digits as its factorization.

187914134464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59921625 (or 59921608 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The spelling of 187914134464 in words is "one hundred eighty-seven billion, nine hundred fourteen million, one hundred thirty-four thousand, four hundred sixty-four".