1340131145 has 16 divisors (see below), whose sum is σ = 1627264128. Its totient is φ = 1059402240.

The previous prime is 1340131127. The next prime is 1340131183. The reversal of 1340131145 is 5411310431.

It is a happy number.

It is not a de Polignac number, because 1340131145 - 2¹² = 1340127049 is a prime.

It is a super-2 number, since 2×1340131145² = 3591902971598022050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340131145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379940 + ... + 383450.

It is an arithmetic number, because the mean of its divisors is an integer number (101704008).

Almost surely, 2^1340131145 is an apocalyptic number.

It is an amenable number.

1340131145 is a deficient number, since it is larger than the sum of its proper divisors (287132983).

1340131145 is an equidigital number, since it uses as much as digits as its factorization.

1340131145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1340131145 is about 36607.8016958134. The cubic root of 1340131145 is about 1102.5097364264.

Adding to 1340131145 its reverse (5411310431), we get a palindrome (6751441576).

The spelling of 1340131145 in words is "one billion, three hundred forty million, one hundred thirty-one thousand, one hundred forty-five".