135706241237 has 8 divisors (see below), whose sum is σ = 155115343872. Its totient is φ = 116302762800.

The previous prime is 135706241233. The next prime is 135706241239. The reversal of 135706241237 is 732142607531.

It is a happy number.

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

It is not a de Polignac number, because 135706241237 - 2² = 135706241233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135706241194 and 135706241203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135706241233) 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, 1354214 + ... + 1450967.

It is an arithmetic number, because the mean of its divisors is an integer number (19389417984).

Almost surely, 2^135706241237 is an apocalyptic number.

It is an amenable number.

135706241237 is a deficient number, since it is larger than the sum of its proper divisors (19409102635).

135706241237 is an equidigital number, since it uses as much as digits as its factorization.

135706241237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812099.

The product of its (nonzero) digits is 211680, while the sum is 41.

Adding to 135706241237 its reverse (732142607531), we get a palindrome (867848848768).

The spelling of 135706241237 in words is "one hundred thirty-five billion, seven hundred six million, two hundred forty-one thousand, two hundred thirty-seven".