134787830 has 32 divisors (see below), whose sum is σ = 246693600. Its totient is φ = 53016832.

The previous prime is 134787827. The next prime is 134787841. The reversal of 134787830 is 38787431.

It is a super-2 number, since 2×134787830² = 36335518232217800, which contains 22 as substring.

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, 239129 + ... + 239691.

It is an arithmetic number, because the mean of its divisors is an integer number (7709175).

Almost surely, 2^134787830 is an apocalyptic number.

134787830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134787830 is a deficient number, since it is larger than the sum of its proper divisors (111905770).

134787830 is a wasteful number, since it uses less digits than its factorization.

134787830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 134787830 is about 11609.8161053481. The cubic root of 134787830 is about 512.7238982044.

The spelling of 134787830 in words is "one hundred thirty-four million, seven hundred eighty-seven thousand, eight hundred thirty".