136693221847 has 32 divisors (see below), whose sum is σ = 171516219392. Its totient is φ = 106059849984.

The previous prime is 136693221823. The next prime is 136693221887. The reversal of 136693221847 is 748122396631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 136693221847 - 2¹¹ = 136693219799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136693221794 and 136693221803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136693221887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1309363 + ... + 1409899.

It is an arithmetic number, because the mean of its divisors is an integer number (5359881856).

Almost surely, 2^136693221847 is an apocalyptic number.

136693221847 is a deficient number, since it is larger than the sum of its proper divisors (34822997545).

136693221847 is a wasteful number, since it uses less digits than its factorization.

136693221847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100847.

The product of its digits is 2612736, while the sum is 52.

The spelling of 136693221847 in words is "one hundred thirty-six billion, six hundred ninety-three million, two hundred twenty-one thousand, eight hundred forty-seven".