1361974287142 has 128 divisors (see below), whose sum is σ = 2598888499200. Its totient is φ = 521883648000.

The previous prime is 1361974287013. The next prime is 1361974287143. The reversal of 1361974287142 is 2417824791631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361974287143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 283683142 + ... + 283687942.

It is an arithmetic number, because the mean of its divisors is an integer number (20303816400).

Almost surely, 2^{1361974287142} is an apocalyptic number.

1361974287142 is a deficient number, since it is larger than the sum of its proper divisors (1236914212058).

1361974287142 is a wasteful number, since it uses less digits than its factorization.

1361974287142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5462.

The product of its digits is 4064256, while the sum is 55.

The spelling of 1361974287142 in words is "one trillion, three hundred sixty-one billion, nine hundred seventy-four million, two hundred eighty-seven thousand, one hundred forty-two".