1373261268 has 24 divisors (see below), whose sum is σ = 3249408960. Its totient is φ = 451306240.

The previous prime is 1373261231. The next prime is 1373261269. The reversal of 1373261268 is 8621623731.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373261269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805053 + ... + 806756.

It is an arithmetic number, because the mean of its divisors is an integer number (135392040).

Almost surely, 2^1373261268 is an apocalyptic number.

It is an amenable number.

1373261268 is an abundant number, since it is smaller than the sum of its proper divisors (1876147692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373261268 is a wasteful number, since it uses less digits than its factorization.

1373261268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611887 (or 1611885 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 1373261268 is about 37057.5399615247. The cubic root of 1373261268 is about 1111.5211317769.

Adding to 1373261268 its reverse (8621623731), we get a palindrome (9994884999).

The spelling of 1373261268 in words is "one billion, three hundred seventy-three million, two hundred sixty-one thousand, two hundred sixty-eight".