135504022 has 4 divisors (see below), whose sum is σ = 203256036. Its totient is φ = 67752010.

The previous prime is 135503999. The next prime is 135504023. The reversal of 135504022 is 220405531.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×135504022² = 36722679956352968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135503984 and 135504002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135504023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33876004 + ... + 33876007.

It is an arithmetic number, because the mean of its divisors is an integer number (50814009).

Almost surely, 2^135504022 is an apocalyptic number.

135504022 is a deficient number, since it is larger than the sum of its proper divisors (67752014).

135504022 is an equidigital number, since it uses as much as digits as its factorization.

135504022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67752013.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 135504022 is about 11640.6194852336. The cubic root of 135504022 is about 513.6304100217.

Adding to 135504022 its reverse (220405531), we get a palindrome (355909553).

The spelling of 135504022 in words is "one hundred thirty-five million, five hundred four thousand, twenty-two".