136423128202 has 8 divisors (see below), whose sum is σ = 204640876836. Its totient is φ = 68209502592.

The previous prime is 136423128161. The next prime is 136423128221. The reversal of 136423128202 is 202821324631.

It can be written as a sum of positive squares in 2 ways, for example, as 98413336681 + 38009791521 = 313709^2 + 194961^2 .

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

It is a super-2 number, since 2×136423128202² (a number of 23 digits) contains 22 as substring.

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, 946663 + ... + 1081210.

Almost surely, 2^136423128202 is an apocalyptic number.

136423128202 is a deficient number, since it is larger than the sum of its proper divisors (68217748634).

136423128202 is a wasteful number, since it uses less digits than its factorization.

136423128202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061512.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 136423128202 in words is "one hundred thirty-six billion, four hundred twenty-three million, one hundred twenty-eight thousand, two hundred two".