134257380 has 48 divisors (see below), whose sum is σ = 383927040. Its totient is φ = 35039488.

The previous prime is 134257367. The next prime is 134257393. The reversal of 134257380 is 83752431.

It is an interprime number because it is at equal distance from previous prime (134257367) and next prime (134257393).

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, 20985 + ... + 26624.

It is an arithmetic number, because the mean of its divisors is an integer number (7998480).

Almost surely, 2^134257380 is an apocalyptic number.

134257380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134257380 is an abundant number, since it is smaller than the sum of its proper divisors (249669660).

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

134257380 is a wasteful number, since it uses less digits than its factorization.

134257380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47668 (or 47666 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 134257380 is about 11586.9486923866. The cubic root of 134257380 is about 512.0504151609.

The spelling of 134257380 in words is "one hundred thirty-four million, two hundred fifty-seven thousand, three hundred eighty".