136543887602 has 8 divisors (see below), whose sum is σ = 209811339612. Its totient is φ = 66606774400.

The previous prime is 136543887553. The next prime is 136543887659. The reversal of 136543887602 is 206788345631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102945364201 + 33598523401 = 320851^2 + 183299^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832584599 + ... + 832584762.

Almost surely, 2^136543887602 is an apocalyptic number.

136543887602 is a deficient number, since it is larger than the sum of its proper divisors (73267452010).

136543887602 is a wasteful number, since it uses less digits than its factorization.

136543887602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665169404.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 136543887602 in words is "one hundred thirty-six billion, five hundred forty-three million, eight hundred eighty-seven thousand, six hundred two".