135020531043 has 32 divisors (see below), whose sum is σ = 215386732800. Its totient is φ = 83282836608.

The previous prime is 135020530993. The next prime is 135020531059. The reversal of 135020531043 is 340135020531.

135020531043 is a `hidden beast` number, since 1 + 3 + 502 + 0 + 53 + 104 + 3 = 666.

It is not a de Polignac number, because 135020531043 - 2⁶ = 135020530979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 135020530998 and 135020531016.

It is not an unprimeable number, because it can be changed into a prime (135020531543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2465821 + ... + 2519982.

It is an arithmetic number, because the mean of its divisors is an integer number (6730835400).

Almost surely, 2^135020531043 is an apocalyptic number.

135020531043 is a deficient number, since it is larger than the sum of its proper divisors (80366201757).

135020531043 is a wasteful number, since it uses less digits than its factorization.

135020531043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985888 (or 4985882 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 135020531043 its reverse (340135020531), we get a palindrome (475155551574).

The spelling of 135020531043 in words is "one hundred thirty-five billion, twenty million, five hundred thirty-one thousand, forty-three".