135199707873 has 8 divisors (see below), whose sum is σ = 180268569600. Its totient is φ = 90131992368.

The previous prime is 135199707739. The next prime is 135199707901. The reversal of 135199707873 is 378707991531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135199707873 - 2¹³ = 135199699681 is a prime.

It is a super-2 number, since 2×135199707873² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135199700873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42723 + ... + 521751.

It is an arithmetic number, because the mean of its divisors is an integer number (22533571200).

Almost surely, 2^135199707873 is an apocalyptic number.

It is an amenable number.

135199707873 is a deficient number, since it is larger than the sum of its proper divisors (45068861727).

135199707873 is an equidigital number, since it uses as much as digits as its factorization.

135199707873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573111.

The product of its (nonzero) digits is 10001880, while the sum is 60.

The spelling of 135199707873 in words is "one hundred thirty-five billion, one hundred ninety-nine million, seven hundred seven thousand, eight hundred seventy-three".