1694140312 has 32 divisors (see below), whose sum is σ = 3315881520. Its totient is φ = 810656640.

The previous prime is 1694140303. The next prime is 1694140363. The reversal of 1694140312 is 2130414961.

It is a super-2 number, since 2×1694140312² = 5740222793486914688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28858 + ... + 64969.

Almost surely, 2^1694140312 is an apocalyptic number.

It is an amenable number.

1694140312 is a deficient number, since it is larger than the sum of its proper divisors (1621741208).

1694140312 is a wasteful number, since it uses less digits than its factorization.

1694140312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93931 (or 93927 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1694140312 is about 41159.9357628265. The cubic root of 1694140312 is about 1192.1103508036.

The spelling of 1694140312 in words is "one billion, six hundred ninety-four million, one hundred forty thousand, three hundred twelve".