136828951477 has 4 divisors (see below), whose sum is σ = 140011020160. Its totient is φ = 133646882796.

The previous prime is 136828951463. The next prime is 136828951487. The reversal of 136828951477 is 774159828631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136828951477 - 2¹¹ = 136828949429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136828951487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591034277 + ... + 1591034362.

It is an arithmetic number, because the mean of its divisors is an integer number (35002755040).

Almost surely, 2^136828951477 is an apocalyptic number.

It is an amenable number.

136828951477 is a deficient number, since it is larger than the sum of its proper divisors (3182068683).

136828951477 is an equidigital number, since it uses as much as digits as its factorization.

136828951477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182068682.

The product of its digits is 20321280, while the sum is 61.

The spelling of 136828951477 in words is "one hundred thirty-six billion, eight hundred twenty-eight million, nine hundred fifty-one thousand, four hundred seventy-seven".