136401206 has 16 divisors (see below), whose sum is σ = 207839184. Its totient is φ = 67129344.

The previous prime is 136401143. The next prime is 136401241. The reversal of 136401206 is 602104631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35621 + ... + 39263.

It is an arithmetic number, because the mean of its divisors is an integer number (12989949).

Almost surely, 2^136401206 is an apocalyptic number.

136401206 is a deficient number, since it is larger than the sum of its proper divisors (71437978).

136401206 is a wasteful number, since it uses less digits than its factorization.

136401206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 136401206 is about 11679.0926873623. The cubic root of 136401206 is about 514.7615146150.

Adding to 136401206 its reverse (602104631), we get a palindrome (738505837).

The spelling of 136401206 in words is "one hundred thirty-six million, four hundred one thousand, two hundred six".