1361250077740 has 96 divisors (see below), whose sum is σ = 3278574351360. Its totient is φ = 465063787776.

The previous prime is 1361250077731. The next prime is 1361250077741. The reversal of 1361250077740 is 477700521631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1361250077741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46392114 + ... + 46421446.

It is an arithmetic number, because the mean of its divisors is an integer number (34151816160).

Almost surely, 2^{1361250077740} is an apocalyptic number.

1361250077740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361250077740 is an abundant number, since it is smaller than the sum of its proper divisors (1917324273620).

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

1361250077740 is a wasteful number, since it uses less digits than its factorization.

1361250077740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30511 (or 30509 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 1361250077740 in words is "one trillion, three hundred sixty-one billion, two hundred fifty million, seventy-seven thousand, seven hundred forty".