1361266753 has 16 divisors (see below), whose sum is σ = 1770955776. Its totient is φ = 1014607440.

The previous prime is 1361266657. The next prime is 1361266769. The reversal of 1361266753 is 3576621631.

It is a de Polignac number, because none of the positive numbers 2^k-1361266753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361266793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382551 + ... + 386092.

It is an arithmetic number, because the mean of its divisors is an integer number (110684736).

Almost surely, 2^1361266753 is an apocalyptic number.

It is an amenable number.

1361266753 is a deficient number, since it is larger than the sum of its proper divisors (409689023).

1361266753 is a wasteful number, since it uses less digits than its factorization.

1361266753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768684.

The product of its digits is 136080, while the sum is 40.

The square root of 1361266753 is about 36895.3486634833. The cubic root of 1361266753 is about 1108.2755337576.

The spelling of 1361266753 in words is "one billion, three hundred sixty-one million, two hundred sixty-six thousand, seven hundred fifty-three".