135422501 has 4 divisors (see below), whose sum is σ = 137642604. Its totient is φ = 133202400.

The previous prime is 135422491. The next prime is 135422509. The reversal of 135422501 is 105224531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105224531 = 181 ⋅581351.

It can be written as a sum of positive squares in 2 ways, for example, as 35402500 + 100020001 = 5950^2 + 10001^2 .

It is a cyclic number.

It is not a de Polignac number, because 135422501 - 2¹⁰ = 135421477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135422509) 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, 1109960 + ... + 1110081.

It is an arithmetic number, because the mean of its divisors is an integer number (34410651).

Almost surely, 2^135422501 is an apocalyptic number.

It is an amenable number.

135422501 is a deficient number, since it is larger than the sum of its proper divisors (2220103).

135422501 is an equidigital number, since it uses as much as digits as its factorization.

135422501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220102.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 135422501 is about 11637.1173836135. The cubic root of 135422501 is about 513.5273870912.

The spelling of 135422501 in words is "one hundred thirty-five million, four hundred twenty-two thousand, five hundred one".