136803857190 has 768 divisors, whose sum is σ = 475680522240. Its totient is φ = 24429081600.

The previous prime is 136803857173. The next prime is 136803857207. The reversal of 136803857190 is 91758308631.

It is an interprime number because it is at equal distance from previous prime (136803857173) and next prime (136803857207).

It is a super-2 number, since 2×136803857190² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 445615017 + ... + 445615323.

It is an arithmetic number, because the mean of its divisors is an integer number (619375680).

Almost surely, 2^136803857190 is an apocalyptic number.

136803857190 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 136803857190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237840261120).

136803857190 is an abundant number, since it is smaller than the sum of its proper divisors (338876665050).

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

136803857190 is a wasteful number, since it uses less digits than its factorization.

136803857190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 136803857190 in words is "one hundred thirty-six billion, eight hundred three million, eight hundred fifty-seven thousand, one hundred ninety".