1340514261 has 12 divisors (see below), whose sum is σ = 1936677600. Its totient is φ = 893501160.

The previous prime is 1340514251. The next prime is 1340514271. The reversal of 1340514261 is 1624150431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1340514251) and next prime (1340514271).

It is not a de Polignac number, because 1340514261 - 2¹⁸ = 1340252117 is a prime.

It is a super-2 number, since 2×1340514261² = 3593956967888752242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340514211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48106 + ... + 70676.

It is an arithmetic number, because the mean of its divisors is an integer number (161389800).

Almost surely, 2^1340514261 is an apocalyptic number.

It is an amenable number.

1340514261 is a deficient number, since it is larger than the sum of its proper divisors (596163339).

1340514261 is a wasteful number, since it uses less digits than its factorization.

1340514261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29176 (or 29173 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1340514261 is about 36613.0340316123. The cubic root of 1340514261 is about 1102.6147880545.

Adding to 1340514261 its reverse (1624150431), we get a palindrome (2964664692).

The spelling of 1340514261 in words is "one billion, three hundred forty million, five hundred fourteen thousand, two hundred sixty-one".