1314191989 has 8 divisors (see below), whose sum is σ = 1434375360. Its totient is φ = 1194127200.

The previous prime is 1314191969. The next prime is 1314191993. The reversal of 1314191989 is 9891914131.

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

It is a cyclic number.

It is not a de Polignac number, because 1314191989 - 2²⁷ = 1179974261 is a prime.

It is a super-2 number, since 2×1314191989² = 3454201167903552242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314191969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5617 + ... + 51574.

It is an arithmetic number, because the mean of its divisors is an integer number (179296920).

Almost surely, 2^1314191989 is an apocalyptic number.

It is an amenable number.

1314191989 is a deficient number, since it is larger than the sum of its proper divisors (120183371).

1314191989 is a wasteful number, since it uses less digits than its factorization.

1314191989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59291.

The product of its digits is 69984, while the sum is 46.

The square root of 1314191989 is about 36251.7860111747. The cubic root of 1314191989 is about 1095.3500653710.

The spelling of 1314191989 in words is "one billion, three hundred fourteen million, one hundred ninety-one thousand, nine hundred eighty-nine".