102775134 has 64 divisors (see below), whose sum is σ = 258163200. Its totient is φ = 26497920.

The previous prime is 102775111. The next prime is 102775139. The reversal of 102775134 is 431577201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102775139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68092 + ... + 69584.

It is an arithmetic number, because the mean of its divisors is an integer number (4033800).

Almost surely, 2^102775134 is an apocalyptic number.

102775134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102775134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129081600).

102775134 is an abundant number, since it is smaller than the sum of its proper divisors (155388066).

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

102775134 is a wasteful number, since it uses less digits than its factorization.

102775134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 102775134 is about 10137.8071593417. The cubic root of 102775134 is about 468.4134431786.

The spelling of 102775134 in words is "one hundred two million, seven hundred seventy-five thousand, one hundred thirty-four".