135702267138 has 64 divisors (see below), whose sum is σ = 312031440000. Its totient is φ = 43664185152.

The previous prime is 135702267121. The next prime is 135702267187. The reversal of 135702267138 is 831762207531.

135702267138 is a `hidden beast` number, since 1 + 3 + 570 + 2 + 2 + 6 + 71 + 3 + 8 = 666.

It is a super-2 number, since 2×135702267138² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135702267093 and 135702267102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9857356 + ... + 9871112.

It is an arithmetic number, because the mean of its divisors is an integer number (4875491250).

Almost surely, 2^135702267138 is an apocalyptic number.

135702267138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

135702267138 is an abundant number, since it is smaller than the sum of its proper divisors (176329172862).

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

135702267138 is a wasteful number, since it uses less digits than its factorization.

135702267138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20096 (or 20090 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 135702267138 in words is "one hundred thirty-five billion, seven hundred two million, two hundred sixty-seven thousand, one hundred thirty-eight".