134886440 has 32 divisors (see below), whose sum is σ = 326841480. Its totient is φ = 49804032.

The previous prime is 134886419. The next prime is 134886443. The reversal of 134886440 is 44688431.

It can be written as a sum of positive squares in 4 ways, for example, as 48135844 + 86750596 = 6938^2 + 9314^2 .

It is a junction number, because it is equal to n+sod(n) for n = 134886394 and 134886403.

It is not an unprimeable number, because it can be changed into a prime (134886443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129179 + ... + 130218.

Almost surely, 2^134886440 is an apocalyptic number.

134886440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134886440 is an abundant number, since it is smaller than the sum of its proper divisors (191955040).

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

134886440 is a wasteful number, since it uses less digits than its factorization.

134886440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259421 (or 259417 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 134886440 is about 11614.0621661846. The cubic root of 134886440 is about 512.8489030086.

The spelling of 134886440 in words is "one hundred thirty-four million, eight hundred eighty-six thousand, four hundred forty".