1361437765127 has 16 divisors (see below), whose sum is σ = 1505630110752. Its totient is φ = 1220651435520.

The previous prime is 1361437765033. The next prime is 1361437765147. The reversal of 1361437765127 is 7215677341631.

It is not a de Polignac number, because 1361437765127 - 2³⁰ = 1360364023303 is a prime.

It is a super-2 number, since 2×1361437765127² (a number of 25 digits) 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 (1361437765147) 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, 21470273 + ... + 21533589.

It is an arithmetic number, because the mean of its divisors is an integer number (94101881922).

Almost surely, 2^{1361437765127} is an apocalyptic number.

1361437765127 is a deficient number, since it is larger than the sum of its proper divisors (144192345625).

1361437765127 is a wasteful number, since it uses less digits than its factorization.

1361437765127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90178.

The product of its digits is 4445280, while the sum is 53.

The spelling of 1361437765127 in words is "one trillion, three hundred sixty-one billion, four hundred thirty-seven million, seven hundred sixty-five thousand, one hundred twenty-seven".