136016401 has 4 divisors (see below), whose sum is σ = 136059904. Its totient is φ = 135972900.

The previous prime is 136016381. The next prime is 136016429. The reversal of 136016401 is 104610631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136016401 - 2¹¹ = 136014353 is a prime.

It is a super-2 number, since 2×136016401² = 37000922681985602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136016431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16665 + ... + 23446.

It is an arithmetic number, because the mean of its divisors is an integer number (34014976).

Almost surely, 2^136016401 is an apocalyptic number.

It is an amenable number.

136016401 is a deficient number, since it is larger than the sum of its proper divisors (43503).

136016401 is an equidigital number, since it uses as much as digits as its factorization.

136016401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43502.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 136016401 is about 11662.6069555653. The cubic root of 136016401 is about 514.2769896484.

It can be divided in two parts, 13601 and 6401, that added together give a palindrome (20002).

The spelling of 136016401 in words is "one hundred thirty-six million, sixteen thousand, four hundred one".