135891047155 has 8 divisors (see below), whose sum is σ = 163224419184. Its totient is φ = 108609396000.

The previous prime is 135891047081. The next prime is 135891047179. The reversal of 135891047155 is 551740198531.

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

It is not a de Polignac number, because 135891047155 - 2¹³ = 135891038963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135891047099 and 135891047108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12924436 + ... + 12934945.

It is an arithmetic number, because the mean of its divisors is an integer number (20403052398).

Almost surely, 2^135891047155 is an apocalyptic number.

135891047155 is a deficient number, since it is larger than the sum of its proper divisors (27333372029).

135891047155 is a wasteful number, since it uses less digits than its factorization.

135891047155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25860437.

The product of its (nonzero) digits is 756000, while the sum is 49.

The spelling of 135891047155 in words is "one hundred thirty-five billion, eight hundred ninety-one million, forty-seven thousand, one hundred fifty-five".