1361250710540 has 24 divisors (see below), whose sum is σ = 3267001705632. Its totient is φ = 466714529280.

The previous prime is 1361250710537. The next prime is 1361250710581. The reversal of 1361250710540 is 450170521631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1361250710540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4861609541 + ... + 4861609820.

It is an arithmetic number, because the mean of its divisors is an integer number (136125071068).

Almost surely, 2^{1361250710540} is an apocalyptic number.

1361250710540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361250710540 is an abundant number, since it is smaller than the sum of its proper divisors (1905750995092).

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

1361250710540 is a wasteful number, since it uses less digits than its factorization.

1361250710540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9723219377 (or 9723219375 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 1361250710540 in words is "one trillion, three hundred sixty-one billion, two hundred fifty million, seven hundred ten thousand, five hundred forty".