135258622 has 4 divisors (see below), whose sum is σ = 202887936. Its totient is φ = 67629310.

The previous prime is 135258619. The next prime is 135258623. The reversal of 135258622 is 226852531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226852531 = 1453 ⋅156127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135258623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33814654 + ... + 33814657.

It is an arithmetic number, because the mean of its divisors is an integer number (50721984).

Almost surely, 2^135258622 is an apocalyptic number.

135258622 is a deficient number, since it is larger than the sum of its proper divisors (67629314).

135258622 is an equidigital number, since it uses as much as digits as its factorization.

135258622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67629313.

The product of its digits is 28800, while the sum is 34.

The square root of 135258622 is about 11630.0740324385. The cubic root of 135258622 is about 513.3201582983.

The spelling of 135258622 in words is "one hundred thirty-five million, two hundred fifty-eight thousand, six hundred twenty-two".