1345600131 has 4 divisors (see below), whose sum is σ = 1794133512. Its totient is φ = 897066752.

The previous prime is 1345600129. The next prime is 1345600147. The reversal of 1345600131 is 1310065431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1310065431 = 3 ⋅436688477.

It is a cyclic number.

It is not a de Polignac number, because 1345600131 - 2¹ = 1345600129 is a prime.

It is a super-2 number, since 2×1345600131² = 3621279425094434322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1345600181) 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, 224266686 + ... + 224266691.

It is an arithmetic number, because the mean of its divisors is an integer number (448533378).

Almost surely, 2^1345600131 is an apocalyptic number.

1345600131 is a deficient number, since it is larger than the sum of its proper divisors (448533381).

1345600131 is an equidigital number, since it uses as much as digits as its factorization.

1345600131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448533380.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1345600131 is about 36682.4226435496. The cubic root of 1345600131 is about 1104.0074571868.

Adding to 1345600131 its reverse (1310065431), we get a palindrome (2655665562).

The spelling of 1345600131 in words is "one billion, three hundred forty-five million, six hundred thousand, one hundred thirty-one".