1343697507 has 24 divisors (see below), whose sum is σ = 1982728800. Its totient is φ = 876677760.

The previous prime is 1343697503. The next prime is 1343697599. The reversal of 1343697507 is 7057963431.

1343697507 is a `hidden beast` number, since 13 + 43 + 6 + 97 + 507 = 666.

It is not a de Polignac number, because 1343697507 - 2² = 1343697503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343697503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79869 + ... + 95217.

It is an arithmetic number, because the mean of its divisors is an integer number (82613700).

Almost surely, 2^1343697507 is an apocalyptic number.

1343697507 is a deficient number, since it is larger than the sum of its proper divisors (639031293).

1343697507 is a wasteful number, since it uses less digits than its factorization.

1343697507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15563 (or 15560 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 1343697507 is about 36656.4797409680. The cubic root of 1343697507 is about 1103.4868711606.

The spelling of 1343697507 in words is "one billion, three hundred forty-three million, six hundred ninety-seven thousand, five hundred seven".