135441220144151 has 4 divisors (see below), whose sum is σ = 135443873668152. Its totient is φ = 135438566620152.

The previous prime is 135441220144127. The next prime is 135441220144157. The reversal of 135441220144151 is 151441022144531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135441220144151 is a prime.

It is a super-2 number, since 2×135441220144151² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135441220144157) 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, 1326685436 + ... + 1326787521.

It is an arithmetic number, because the mean of its divisors is an integer number (33860968417038).

Almost surely, 2^{135441220144151} is an apocalyptic number.

135441220144151 is a deficient number, since it is larger than the sum of its proper divisors (2653524001).

135441220144151 is an equidigital number, since it uses as much as digits as its factorization.

135441220144151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653524000.

The product of its (nonzero) digits is 76800, while the sum is 38.

Adding to 135441220144151 its reverse (151441022144531), we get a palindrome (286882242288682).

The spelling of 135441220144151 in words is "one hundred thirty-five trillion, four hundred forty-one billion, two hundred twenty million, one hundred forty-four thousand, one hundred fifty-one".