134862644 has 48 divisors (see below), whose sum is σ = 280452480. Its totient is φ = 55520640.

The previous prime is 134862631. The next prime is 134862647. The reversal of 134862644 is 446268431.

It is a junction number, because it is equal to n+sod(n) for n = 134862598 and 134862607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134862647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249014 + ... + 249554.

It is an arithmetic number, because the mean of its divisors is an integer number (5842760).

Almost surely, 2^134862644 is an apocalyptic number.

134862644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134862644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140226240).

134862644 is an abundant number, since it is smaller than the sum of its proper divisors (145589836).

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

134862644 is a wasteful number, since it uses less digits than its factorization.

134862644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 886 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 134862644 is about 11613.0376732361. The cubic root of 134862644 is about 512.8187431442.

The spelling of 134862644 in words is "one hundred thirty-four million, eight hundred sixty-two thousand, six hundred forty-four".