134991270 has 48 divisors (see below), whose sum is σ = 359547552. Its totient is φ = 35118720.

The previous prime is 134991223. The next prime is 134991287. The reversal of 134991270 is 72199431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14602 + ... + 21981.

It is an arithmetic number, because the mean of its divisors is an integer number (7490574).

Almost surely, 2^134991270 is an apocalyptic number.

134991270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134991270 is an abundant number, since it is smaller than the sum of its proper divisors (224556282).

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

134991270 is a wasteful number, since it uses less digits than its factorization.

134991270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36637 (or 36634 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 134991270 is about 11618.5743531640. The cubic root of 134991270 is about 512.9817259202.

The spelling of 134991270 in words is "one hundred thirty-four million, nine hundred ninety-one thousand, two hundred seventy".