134917531 has 12 divisors (see below), whose sum is σ = 160597272. Its totient is φ = 112952448.

The previous prime is 134917529. The next prime is 134917571. The reversal of 134917531 is 135719431.

It is a happy number.

It is not a de Polignac number, because 134917531 - 2¹ = 134917529 is a prime.

It is a super-2 number, since 2×134917531² = 36405480342271922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134917571) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 29910 + ... + 34123.

It is an arithmetic number, because the mean of its divisors is an integer number (13383106).

Almost surely, 2^134917531 is an apocalyptic number.

134917531 is a deficient number, since it is larger than the sum of its proper divisors (25679741).

134917531 is an equidigital number, since it uses as much as digits as its factorization.

134917531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64090 (or 64083 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 134917531 is about 11615.4005957608. The cubic root of 134917531 is about 512.8883034611. Note that the first 3 decimals are identical.

The spelling of 134917531 in words is "one hundred thirty-four million, nine hundred seventeen thousand, five hundred thirty-one".