136782683851 has 4 divisors (see below), whose sum is σ = 149217473304. Its totient is φ = 124347894400.

The previous prime is 136782683839. The next prime is 136782683857. The reversal of 136782683851 is 158386287631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136782683851 - 2¹¹ = 136782681803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136782683857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6217394710 + ... + 6217394731.

It is an arithmetic number, because the mean of its divisors is an integer number (37304368326).

Almost surely, 2^136782683851 is an apocalyptic number.

136782683851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136782683851 is a deficient number, since it is larger than the sum of its proper divisors (12434789453).

136782683851 is a wasteful number, since it uses less digits than its factorization.

136782683851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12434789452.

The product of its digits is 11612160, while the sum is 58.

The spelling of 136782683851 in words is "one hundred thirty-six billion, seven hundred eighty-two million, six hundred eighty-three thousand, eight hundred fifty-one".