135420440150343 has 4 divisors (see below), whose sum is σ = 180560586867128. Its totient is φ = 90280293433560.

The previous prime is 135420440150341. The next prime is 135420440150381. The reversal of 135420440150343 is 343051044024531.

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

It is not a de Polignac number, because 135420440150343 - 2¹ = 135420440150341 is a prime.

It is a super-2 number, since 2×135420440150343² (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 (135420440150341) 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, 22570073358388 + ... + 22570073358393.

It is an arithmetic number, because the mean of its divisors is an integer number (45140146716782).

Almost surely, 2^{135420440150343} is an apocalyptic number.

135420440150343 is a deficient number, since it is larger than the sum of its proper divisors (45140146716785).

135420440150343 is an equidigital number, since it uses as much as digits as its factorization.

135420440150343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45140146716784.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 135420440150343 its reverse (343051044024531), we get a palindrome (478471484174874).

The spelling of 135420440150343 in words is "one hundred thirty-five trillion, four hundred twenty billion, four hundred forty million, one hundred fifty thousand, three hundred forty-three".