136250477649 has 128 divisors (see below), whose sum is σ = 249993676800. Its totient is φ = 72104981760.

The previous prime is 136250477593. The next prime is 136250477683. The reversal of 136250477649 is 946774052631.

136250477649 is a `hidden beast` number, since 1 + 3 + 6 + 2 + 504 + 77 + 64 + 9 = 666.

It is not a de Polignac number, because 136250477649 - 2¹¹ = 136250475601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136250477595 and 136250477604.

It is not an unprimeable number, because it can be changed into a prime (136250477749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 85315719 + ... + 85317315.

It is an arithmetic number, because the mean of its divisors is an integer number (1953075600).

Almost surely, 2^136250477649 is an apocalyptic number.

136250477649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

136250477649 is a deficient number, since it is larger than the sum of its proper divisors (113743199151).

136250477649 is a wasteful number, since it uses less digits than its factorization.

136250477649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 136250477649 in words is "one hundred thirty-six billion, two hundred fifty million, four hundred seventy-seven thousand, six hundred forty-nine".