134971380 has 48 divisors (see below), whose sum is σ = 419912640. Its totient is φ = 35992224.

The previous prime is 134971373. The next prime is 134971391. The reversal of 134971380 is 83179431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124434 + ... + 125513.

It is an arithmetic number, because the mean of its divisors is an integer number (8748180).

Almost surely, 2^134971380 is an apocalyptic number.

134971380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134971380 is an abundant number, since it is smaller than the sum of its proper divisors (284941260).

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

134971380 is a wasteful number, since it uses less digits than its factorization.

134971380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249965 (or 249957 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 134971380 is about 11617.7183646360. The cubic root of 134971380 is about 512.9565299509.

The spelling of 134971380 in words is "one hundred thirty-four million, nine hundred seventy-one thousand, three hundred eighty".