134561250 has 120 divisors (see below), whose sum is σ = 378666288. Its totient is φ = 35802000.

The previous prime is 134561243. The next prime is 134561257. The reversal of 134561250 is 52165431.

134561250 is a `hidden beast` number, since 1 + 3 + 45 + 612 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (134561243) and next prime (134561257).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (134561257) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 303529 + ... + 303971.

Almost surely, 2^134561250 is an apocalyptic number.

134561250 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 134561250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189333144).

134561250 is an abundant number, since it is smaller than the sum of its proper divisors (244105038).

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

134561250 is an frugal number, since it uses more digits than its factorization.

134561250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 134561250 is about 11600.0538791852. The cubic root of 134561250 is about 512.4364386769.

It can be divided in two parts, 13456 and 1250, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 134561250 in words is "one hundred thirty-four million, five hundred sixty-one thousand, two hundred fifty".