135622402 has 8 divisors (see below), whose sum is σ = 204158412. Its totient is φ = 67569600.

The previous prime is 135622397. The next prime is 135622429. The reversal of 135622402 is 204226531.

It can be written as a sum of positive squares in 2 ways, for example, as 131537961 + 4084441 = 11469^2 + 2021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 120099 + ... + 121222.

Almost surely, 2^135622402 is an apocalyptic number.

135622402 is a deficient number, since it is larger than the sum of its proper divisors (68536010).

135622402 is a wasteful number, since it uses less digits than its factorization.

135622402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241604.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 135622402 is about 11645.7031561001. The cubic root of 135622402 is about 513.7799403188.

Adding to 135622402 its reverse (204226531), we get a palindrome (339848933).

The spelling of 135622402 in words is "one hundred thirty-five million, six hundred twenty-two thousand, four hundred two".