136422145 has 16 divisors (see below), whose sum is σ = 168688080. Its totient is φ = 105836544.

The previous prime is 136422113. The next prime is 136422157. The reversal of 136422145 is 541224631.

It can be written as a sum of positive squares in 8 ways, for example, as 14010049 + 122412096 = 3743^2 + 11064^2 .

It is a cyclic number.

It is not a de Polignac number, because 136422145 - 2⁵ = 136422113 is a prime.

It is a super-2 number, since 2×136422145² = 37222003292802050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64261 + ... + 66349.

It is an arithmetic number, because the mean of its divisors is an integer number (10543005).

Almost surely, 2^136422145 is an apocalyptic number.

It is an amenable number.

136422145 is a deficient number, since it is larger than the sum of its proper divisors (32265935).

136422145 is a wasteful number, since it uses less digits than its factorization.

136422145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484.

The product of its digits is 5760, while the sum is 28.

The square root of 136422145 is about 11679.9890838990. The cubic root of 136422145 is about 514.7878536779.

Adding to 136422145 its reverse (541224631), we get a palindrome (677646776).

The spelling of 136422145 in words is "one hundred thirty-six million, four hundred twenty-two thousand, one hundred forty-five".