135322223401 has 4 divisors (see below), whose sum is σ = 135341217792. Its totient is φ = 135303229012.

The previous prime is 135322223371. The next prime is 135322223411. The reversal of 135322223401 is 104322223531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135322223401 - 2¹³ = 135322215209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135322223401.

It is not an unprimeable number, because it can be changed into a prime (135322223411) 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, 9486505 + ... + 9500758.

It is an arithmetic number, because the mean of its divisors is an integer number (33835304448).

Almost surely, 2^135322223401 is an apocalyptic number.

It is an amenable number.

135322223401 is a deficient number, since it is larger than the sum of its proper divisors (18994391).

135322223401 is an equidigital number, since it uses as much as digits as its factorization.

135322223401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18994390.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 135322223401 its reverse (104322223531), we get a palindrome (239644446932).

The spelling of 135322223401 in words is "one hundred thirty-five billion, three hundred twenty-two million, two hundred twenty-three thousand, four hundred one".