1361886000 has 160 divisors (see below), whose sum is σ = 4463898816. Its totient is φ = 357216000.

The previous prime is 1361885983. The next prime is 1361886059. The reversal of 1361886000 is 6881631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22325970 + ... + 22326030.

Almost surely, 2^1361886000 is an apocalyptic number.

1361886000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361886000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2231949408).

1361886000 is an abundant number, since it is smaller than the sum of its proper divisors (3102012816).

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

1361886000 is an frugal number, since it uses more digits than its factorization.

1361886000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1361886000 is about 36903.7396479002. The cubic root of 1361886000 is about 1108.4435616276.

The spelling of 1361886000 in words is "one billion, three hundred sixty-one million, eight hundred eighty-six thousand".