409739134 has 16 divisors (see below), whose sum is σ = 743728608. Its totient is φ = 165272832.

The previous prime is 409739101. The next prime is 409739137. The reversal of 409739134 is 431937904.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409739137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860559 + ... + 861034.

It is an arithmetic number, because the mean of its divisors is an integer number (46483038).

Almost surely, 2^409739134 is an apocalyptic number.

409739134 is a deficient number, since it is larger than the sum of its proper divisors (333989474).

409739134 is a wasteful number, since it uses less digits than its factorization.

409739134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721619.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 409739134 is about 20242.0140796315. The cubic root of 409739134 is about 742.7382927676.

The spelling of 409739134 in words is "four hundred nine million, seven hundred thirty-nine thousand, one hundred thirty-four".