134943780 has 24 divisors (see below), whose sum is σ = 377842752. Its totient is φ = 35984992.

The previous prime is 134943779. The next prime is 134943793. The reversal of 134943780 is 87349431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124472 + ... + 1124591.

It is an arithmetic number, because the mean of its divisors is an integer number (15743448).

Almost surely, 2^134943780 is an apocalyptic number.

134943780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134943780 is an abundant number, since it is smaller than the sum of its proper divisors (242898972).

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

134943780 is a wasteful number, since it uses less digits than its factorization.

134943780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249075 (or 2249073 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 134943780 is about 11616.5304630944. The cubic root of 134943780 is about 512.9215631173.

The spelling of 134943780 in words is "one hundred thirty-four million, nine hundred forty-three thousand, seven hundred eighty".