135420440150344 has 64 divisors (see below), whose sum is σ = 265383148141440. Its totient is φ = 64661172533760.

The previous prime is 135420440150341. The next prime is 135420440150381. The reversal of 135420440150344 is 443051044024531.

It is a super-2 number, since 2×135420440150344² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135420440150297 and 135420440150306.

It is not an unprimeable number, because it can be changed into a prime (135420440150341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2326103124 + ... + 2326161340.

It is an arithmetic number, because the mean of its divisors is an integer number (4146611689710).

Almost surely, 2^{135420440150344} is an apocalyptic number.

It is an amenable number.

135420440150344 is a deficient number, since it is larger than the sum of its proper divisors (129962707991096).

135420440150344 is a wasteful number, since it uses less digits than its factorization.

135420440150344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78550 (or 78546 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 135420440150344 its reverse (443051044024531), we get a palindrome (578471484174875).

The spelling of 135420440150344 in words is "one hundred thirty-five trillion, four hundred twenty billion, four hundred forty million, one hundred fifty thousand, three hundred forty-four".