1361250353638 has 48 divisors (see below), whose sum is σ = 2515261596624. Its totient is φ = 549010613760.

The previous prime is 1361250353629. The next prime is 1361250353651. The reversal of 1361250353638 is 8363530521631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15488298 + ... + 15575938.

It is an arithmetic number, because the mean of its divisors is an integer number (52401283263).

Almost surely, 2^{1361250353638} is an apocalyptic number.

1361250353638 is a deficient number, since it is larger than the sum of its proper divisors (1154011242986).

1361250353638 is a wasteful number, since it uses less digits than its factorization.

1361250353638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96997 (or 96990 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 1361250353638 in words is "one trillion, three hundred sixty-one billion, two hundred fifty million, three hundred fifty-three thousand, six hundred thirty-eight".