135106231206450 has 96 divisors (see below), whose sum is σ = 387543271643136. Its totient is φ = 30509358903360.

The previous prime is 135106231206407. The next prime is 135106231206487. The reversal of 135106231206450 is 54602132601531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 135106231206399 and 135106231206408.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 775049002 + ... + 775223301.

It is an arithmetic number, because the mean of its divisors is an integer number (4036909079616).

Almost surely, 2^{135106231206450} is an apocalyptic number.

135106231206450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135106231206450 is an abundant number, since it is smaller than the sum of its proper divisors (252437040436686).

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

135106231206450 is a wasteful number, since it uses less digits than its factorization.

135106231206450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550272408 (or 1550272403 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 135106231206450 its reverse (54602132601531), we get a palindrome (189708363807981).

The spelling of 135106231206450 in words is "one hundred thirty-five trillion, one hundred six billion, two hundred thirty-one million, two hundred six thousand, four hundred fifty".