1315907146 has 8 divisors (see below), whose sum is σ = 2027208420. Its totient is φ = 640171008.

The previous prime is 1315907143. The next prime is 1315907171. The reversal of 1315907146 is 6417095131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1297080225 + 18826921 = 36015^2 + 4339^2 .

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

It is a super-2 number, since 2×1315907146² = 3463223233787730632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (1315907143) 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, 8891191 + ... + 8891338.

Almost surely, 2^1315907146 is an apocalyptic number.

1315907146 is a deficient number, since it is larger than the sum of its proper divisors (711301274).

1315907146 is a wasteful number, since it uses less digits than its factorization.

1315907146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17782568.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1315907146 is about 36275.4344701755. The cubic root of 1315907146 is about 1095.8263734095.

The spelling of 1315907146 in words is "one billion, three hundred fifteen million, nine hundred seven thousand, one hundred forty-six".