1368714261 has 4 divisors (see below), whose sum is σ = 1824952352. Its totient is φ = 912476172.

The previous prime is 1368714253. The next prime is 1368714287. The reversal of 1368714261 is 1624178631.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1624178631 = 3 ⋅541392877.

It is not a de Polignac number, because 1368714261 - 2³ = 1368714253 is a prime.

It is a super-2 number, since 2×1368714261² = 3746757456529552242, 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 (1368714211) 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, 228119041 + ... + 228119046.

It is an arithmetic number, because the mean of its divisors is an integer number (456238088).

Almost surely, 2^1368714261 is an apocalyptic number.

It is an amenable number.

1368714261 is a deficient number, since it is larger than the sum of its proper divisors (456238091).

1368714261 is an equidigital number, since it uses as much as digits as its factorization.

1368714261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456238090.

The product of its digits is 48384, while the sum is 39.

The square root of 1368714261 is about 36996.1384606556. The cubic root of 1368714261 is about 1110.2929889671.

The spelling of 1368714261 in words is "one billion, three hundred sixty-eight million, seven hundred fourteen thousand, two hundred sixty-one".