40134700 has 18 divisors (see below), whose sum is σ = 87092516. Its totient is φ = 16053840.

The previous prime is 40134683. The next prime is 40134709. The reversal of 40134700 is 743104.

It is a happy number.

It is a super-2 number, since 2×40134700² = 3221588288180000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40134709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200574 + ... + 200773.

Almost surely, 2^40134700 is an apocalyptic number.

It is an amenable number.

40134700 is an abundant number, since it is smaller than the sum of its proper divisors (46957816).

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

40134700 is a wasteful number, since it uses less digits than its factorization.

40134700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401361 (or 401354 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 40134700 is about 6335.1953403190. The cubic root of 40134700 is about 342.3786488237.

Adding to 40134700 its reverse (743104), we get a palindrome (40877804).

The spelling of 40134700 in words is "forty million, one hundred thirty-four thousand, seven hundred".