136828375387 has 8 divisors (see below), whose sum is σ = 150716517120. Its totient is φ = 123181766760.

The previous prime is 136828375373. The next prime is 136828375429. The reversal of 136828375387 is 783573828631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136828375387 - 2²⁷ = 136694157659 is a prime.

It is a super-2 number, since 2×136828375387² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136828375687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60382087 + ... + 60384352.

It is an arithmetic number, because the mean of its divisors is an integer number (18839564640).

Almost surely, 2^136828375387 is an apocalyptic number.

136828375387 is a deficient number, since it is larger than the sum of its proper divisors (13888141733).

136828375387 is a wasteful number, since it uses less digits than its factorization.

136828375387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120766553.

The product of its digits is 40642560, while the sum is 61.

It can be divided in two parts, 136828 and 375387, that added together give a palindrome (512215).

The spelling of 136828375387 in words is "one hundred thirty-six billion, eight hundred twenty-eight million, three hundred seventy-five thousand, three hundred eighty-seven".