1361974287150 has 144 divisors (see below), whose sum is σ = 3717358532160. Its totient is φ = 357447168000.

The previous prime is 1361974287143. The next prime is 1361974287187. The reversal of 1361974287150 is 517824791631.

1361974287150 is a `hidden beast` number, since 1 + 3 + 61 + 9 + 7 + 428 + 7 + 150 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11065950 + ... + 11188350.

It is a 1-persistent number, because it is pandigital, but 2⋅1361974287150 = 2723948574300 is not.

Almost surely, 2^{1361974287150} is an apocalyptic number.

1361974287150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361974287150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1858679266080).

1361974287150 is an abundant number, since it is smaller than the sum of its proper divisors (2355384245010).

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

1361974287150 is a wasteful number, since it uses less digits than its factorization.

1361974287150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122811 (or 122803 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 1361974287150 in words is "one trillion, three hundred sixty-one billion, nine hundred seventy-four million, two hundred eighty-seven thousand, one hundred fifty".