814113970 has 8 divisors (see below), whose sum is σ = 1465405164. Its totient is φ = 325645584.

The previous prime is 814113961. The next prime is 814113977. The reversal of 814113970 is 79311418.

It can be written as a sum of positive squares in 2 ways, for example, as 753008481 + 61105489 = 27441^2 + 7817^2 .

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

It is a super-2 number, since 2×814113970² = 1325563112298321800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (814113977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40705689 + ... + 40705708.

Almost surely, 2^814113970 is an apocalyptic number.

814113970 is a deficient number, since it is larger than the sum of its proper divisors (651291194).

814113970 is a wasteful number, since it uses less digits than its factorization.

814113970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81411404.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 814113970 is about 28532.6824886830. The cubic root of 814113970 is about 933.7452432126.

The spelling of 814113970 in words is "eight hundred fourteen million, one hundred thirteen thousand, nine hundred seventy".