1914312187 has 8 divisors (see below), whose sum is σ = 2048100560. Its totient is φ = 1783827360.

The previous prime is 1914312167. The next prime is 1914312193. The reversal of 1914312187 is 7812134191.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1914312187 is a prime.

It is a super-2 number, since 2×1914312187² = 7329182298593445938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1914312107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824688 + ... + 827005.

It is an arithmetic number, because the mean of its divisors is an integer number (256012570).

Almost surely, 2^1914312187 is an apocalyptic number.

1914312187 is a deficient number, since it is larger than the sum of its proper divisors (133788373).

1914312187 is a wasteful number, since it uses less digits than its factorization.

1914312187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651773.

The product of its digits is 12096, while the sum is 37.

The square root of 1914312187 is about 43752.8534726594. The cubic root of 1914312187 is about 1241.6644719588.

The spelling of 1914312187 in words is "one billion, nine hundred fourteen million, three hundred twelve thousand, one hundred eighty-seven".