1343742253 has 4 divisors (see below), whose sum is σ = 1535705440. Its totient is φ = 1151779068.

The previous prime is 1343742247. The next prime is 1343742277. The reversal of 1343742253 is 3522473431.

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 1343742253 - 2²⁵ = 1310187821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343742293) 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, 95981583 + ... + 95981596.

It is an arithmetic number, because the mean of its divisors is an integer number (383926360).

Almost surely, 2^1343742253 is an apocalyptic number.

It is an amenable number.

1343742253 is a deficient number, since it is larger than the sum of its proper divisors (191963187).

1343742253 is an equidigital number, since it uses as much as digits as its factorization.

1343742253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191963186.

The product of its digits is 60480, while the sum is 34.

The square root of 1343742253 is about 36657.0900781827. The cubic root of 1343742253 is about 1103.4991199679.

The spelling of 1343742253 in words is "one billion, three hundred forty-three million, seven hundred forty-two thousand, two hundred fifty-three".