134540434 has 32 divisors (see below), whose sum is σ = 243919872. Its totient is φ = 54432000.

The previous prime is 134540423. The next prime is 134540443. The reversal of 134540434 is 434045431.

It is a super-2 number, since 2×134540434² = 36202256761816712, which contains 22 as substring.

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, 14014 + ... + 21574.

It is an arithmetic number, because the mean of its divisors is an integer number (7622496).

Almost surely, 2^134540434 is an apocalyptic number.

134540434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

134540434 is a deficient number, since it is larger than the sum of its proper divisors (109379438).

134540434 is a wasteful number, since it uses less digits than its factorization.

134540434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7642.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 134540434 is about 11599.1566072711. The cubic root of 134540434 is about 512.4100134691.

Adding to 134540434 its reverse (434045431), we get a palindrome (568585865).

The spelling of 134540434 in words is "one hundred thirty-four million, five hundred forty thousand, four hundred thirty-four".