1312134194 has 8 divisors (see below), whose sum is σ = 2249372928. Its totient is φ = 562343220.

The previous prime is 1312134181. The next prime is 1312134221. The reversal of 1312134194 is 4914312131.

It is a happy number.

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

It is a super-2 number, since 2×1312134194² = 3443392286128059272, which contains 22 as substring.

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, 46861922 + ... + 46861949.

It is an arithmetic number, because the mean of its divisors is an integer number (281171616).

Almost surely, 2^1312134194 is an apocalyptic number.

1312134194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1312134194 is a deficient number, since it is larger than the sum of its proper divisors (937238734).

1312134194 is an equidigital number, since it uses as much as digits as its factorization.

1312134194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93723880.

The product of its digits is 2592, while the sum is 29.

The square root of 1312134194 is about 36223.3929112114. The cubic root of 1312134194 is about 1094.7780577823.

The spelling of 1312134194 in words is "one billion, three hundred twelve million, one hundred thirty-four thousand, one hundred ninety-four".