136551402164 has 18 divisors (see below), whose sum is σ = 244935535782. Its totient is φ = 66610436800.

The previous prime is 136551402139. The next prime is 136551402179. The reversal of 136551402164 is 461204155631.

It can be written as a sum of positive squares in 3 ways, for example, as 19934616100 + 116616786064 = 141190^2 + 341492^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10147307 + ... + 10160754.

Almost surely, 2^136551402164 is an apocalyptic number.

It is an amenable number.

136551402164 is a deficient number, since it is larger than the sum of its proper divisors (108384133618).

136551402164 is a wasteful number, since it uses less digits than its factorization.

136551402164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20308147 (or 20308104 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 136551402164 its reverse (461204155631), we get a palindrome (597755557795).

The spelling of 136551402164 in words is "one hundred thirty-six billion, five hundred fifty-one million, four hundred two thousand, one hundred sixty-four".