136404251086 has 8 divisors (see below), whose sum is σ = 204608138400. Its totient is φ = 68201538288.

The previous prime is 136404251057. The next prime is 136404251089. The reversal of 136404251086 is 680152404631.

It is a happy number.

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

It is a super-2 number, since 2×136404251086² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136404251089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104890 + ... + 532738.

It is an arithmetic number, because the mean of its divisors is an integer number (25576017300).

Almost surely, 2^136404251086 is an apocalyptic number.

136404251086 is a deficient number, since it is larger than the sum of its proper divisors (68203887314).

136404251086 is a wasteful number, since it uses less digits than its factorization.

136404251086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587258.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 136404251086 in words is "one hundred thirty-six billion, four hundred four million, two hundred fifty-one thousand, eighty-six".