135420145393 has 16 divisors (see below), whose sum is σ = 146667144960. Its totient is φ = 124293302784.

The previous prime is 135420145337. The next prime is 135420145417. The reversal of 135420145393 is 393541024531.

It is a cyclic number.

It is not a de Polignac number, because 135420145393 - 2¹³ = 135420137201 is a prime.

It is a super-2 number, since 2×135420145393² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135420145303) 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, 2058630 + ... + 2123392.

It is an arithmetic number, because the mean of its divisors is an integer number (9166696560).

Almost surely, 2^135420145393 is an apocalyptic number.

135420145393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135420145393 is a deficient number, since it is larger than the sum of its proper divisors (11246999567).

135420145393 is a wasteful number, since it uses less digits than its factorization.

135420145393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65688.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 135420145393 in words is "one hundred thirty-five billion, four hundred twenty million, one hundred forty-five thousand, three hundred ninety-three".