1340224131 has 8 divisors (see below), whose sum is σ = 1787166720. Its totient is φ = 893382152.

The previous prime is 1340224111. The next prime is 1340224133. The reversal of 1340224131 is 1314220431.

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 1340224131 - 2¹⁰ = 1340223107 is a prime.

It is a super-2 number, since 2×1340224131² = 3592401442629410322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1340224098 and 1340224107.

It is not an unprimeable number, because it can be changed into a prime (1340224133) 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, 15166 + ... + 53948.

It is an arithmetic number, because the mean of its divisors is an integer number (223395840).

Almost surely, 2^1340224131 is an apocalyptic number.

1340224131 is a deficient number, since it is larger than the sum of its proper divisors (446942589).

1340224131 is a wasteful number, since it uses less digits than its factorization.

1340224131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50305.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1340224131 is about 36609.0717036092. The cubic root of 1340224131 is about 1102.5352353237.

Adding to 1340224131 its reverse (1314220431), we get a palindrome (2654444562).

The spelling of 1340224131 in words is "one billion, three hundred forty million, two hundred twenty-four thousand, one hundred thirty-one".