135867358770 has 128 divisors (see below), whose sum is σ = 386604852480. Its totient is φ = 30124846080.

The previous prime is 135867358727. The next prime is 135867358849. The reversal of 135867358770 is 77853768531.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 322332 + ... + 612888.

It is an arithmetic number, because the mean of its divisors is an integer number (3020350410).

Almost surely, 2^135867358770 is an apocalyptic number.

135867358770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135867358770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193302426240).

135867358770 is an abundant number, since it is smaller than the sum of its proper divisors (250737493710).

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

135867358770 is a wasteful number, since it uses less digits than its factorization.

135867358770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290700.

The product of its (nonzero) digits is 29635200, while the sum is 60.

It can be divided in two parts, 13586735 and 8770, that added together give a triangular number (13595505 = T₅₂₁₄).

The spelling of 135867358770 in words is "one hundred thirty-five billion, eight hundred sixty-seven million, three hundred fifty-eight thousand, seven hundred seventy".