135420034211345 has 16 divisors (see below), whose sum is σ = 176970692944080. Its totient is φ = 98878863350784.

The previous prime is 135420034211311. The next prime is 135420034211383. The reversal of 135420034211345 is 543112430024531.

It can be written as a sum of positive squares in 8 ways, for example, as 4594729435024 + 130825304776321 = 2143532^2 + 11437889^2 .

It is a cyclic number.

It is not a de Polignac number, because 135420034211345 - 2²⁴ = 135420017434129 is a prime.

It is a super-2 number, since 2×135420034211345² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135420034211299 and 135420034211308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11704405124 + ... + 11704416693.

It is an arithmetic number, because the mean of its divisors is an integer number (11060668309005).

Almost surely, 2^{135420034211345} is an apocalyptic number.

It is an amenable number.

135420034211345 is a deficient number, since it is larger than the sum of its proper divisors (41550658732735).

135420034211345 is a wasteful number, since it uses less digits than its factorization.

135420034211345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23408821924.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 135420034211345 its reverse (543112430024531), we get a palindrome (678532464235876).

The spelling of 135420034211345 in words is "one hundred thirty-five trillion, four hundred twenty billion, thirty-four million, two hundred eleven thousand, three hundred forty-five".