1345763141 has 4 divisors (see below), whose sum is σ = 1416592800. Its totient is φ = 1274933484.

The previous prime is 1345763137. The next prime is 1345763147. The reversal of 1345763141 is 1413675431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1345763141 - 2² = 1345763137 is a prime.

It is a super-2 number, since 2×1345763141² = 3622156863348371762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345763147) 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, 35414801 + ... + 35414838.

It is an arithmetic number, because the mean of its divisors is an integer number (354148200).

Almost surely, 2^1345763141 is an apocalyptic number.

It is an amenable number.

1345763141 is a deficient number, since it is larger than the sum of its proper divisors (70829659).

1345763141 is an equidigital number, since it uses as much as digits as its factorization.

1345763141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70829658.

The product of its digits is 30240, while the sum is 35.

The square root of 1345763141 is about 36684.6444851248. The cubic root of 1345763141 is about 1104.0520363018.

The spelling of 1345763141 in words is "one billion, three hundred forty-five million, seven hundred sixty-three thousand, one hundred forty-one".