135242246571730 has 32 divisors (see below), whose sum is σ = 251460572185584. Its totient is φ = 52330572746496.

The previous prime is 135242246571661. The next prime is 135242246571739. The reversal of 135242246571730 is 37175642242531.

It can be written as a sum of positive squares in 8 ways, for example, as 105756727548481 + 29485519023249 = 10283809^2 + 5430057^2 .

It is a super-2 number, since 2×135242246571730² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135242246571739) 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, 1056350977 + ... + 1056478996.

Almost surely, 2^{135242246571730} is an apocalyptic number.

135242246571730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135242246571730 is a deficient number, since it is larger than the sum of its proper divisors (116218325613854).

135242246571730 is a wasteful number, since it uses less digits than its factorization.

135242246571730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112830190.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 135242246571730 in words is "one hundred thirty-five trillion, two hundred forty-two billion, two hundred forty-six million, five hundred seventy-one thousand, seven hundred thirty".