135043321236 has 48 divisors (see below), whose sum is σ = 318475401216. Its totient is φ = 44532762624.

The previous prime is 135043321223. The next prime is 135043321249. The reversal of 135043321236 is 632123340531.

It is an interprime number because it is at equal distance from previous prime (135043321223) and next prime (135043321249).

It is a super-2 number, since 2×135043321236² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135043321197 and 135043321206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3106080 + ... + 3149256.

It is an arithmetic number, because the mean of its divisors is an integer number (6634904192).

Almost surely, 2^135043321236 is an apocalyptic number.

It is an amenable number.

135043321236 is an abundant number, since it is smaller than the sum of its proper divisors (183432079980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135043321236 is a wasteful number, since it uses less digits than its factorization.

135043321236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45968 (or 45966 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 135043321236 its reverse (632123340531), we get a palindrome (767166661767).

The spelling of 135043321236 in words is "one hundred thirty-five billion, forty-three million, three hundred twenty-one thousand, two hundred thirty-six".