135847172156 has 6 divisors (see below), whose sum is σ = 237732551280. Its totient is φ = 67923586076.

The previous prime is 135847172113. The next prime is 135847172179. The reversal of 135847172156 is 651271748531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16980896516 + ... + 16980896523.

It is an arithmetic number, because the mean of its divisors is an integer number (39622091880).

Almost surely, 2^135847172156 is an apocalyptic number.

It is an amenable number.

135847172156 is a deficient number, since it is larger than the sum of its proper divisors (101885379124).

135847172156 is a wasteful number, since it uses less digits than its factorization.

135847172156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33961793043 (or 33961793041 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 50.

The spelling of 135847172156 in words is "one hundred thirty-five billion, eight hundred forty-seven million, one hundred seventy-two thousand, one hundred fifty-six".