437320134 has 20 divisors (see below), whose sum is σ = 979921404. Its totient is φ = 145773324.

The previous prime is 437320133. The next prime is 437320139. The reversal of 437320134 is 431023734.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 437320098 and 437320107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (437320133) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1349592 + ... + 1349915.

Almost surely, 2^437320134 is an apocalyptic number.

437320134 is an abundant number, since it is smaller than the sum of its proper divisors (542601270).

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

437320134 is a wasteful number, since it uses less digits than its factorization.

437320134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699521 (or 2699512 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 437320134 is about 20912.2006015627. The cubic root of 437320134 is about 759.0431945922.

Adding to 437320134 its reverse (431023734), we get a palindrome (868343868).

The spelling of 437320134 in words is "four hundred thirty-seven million, three hundred twenty thousand, one hundred thirty-four".