400134 has 24 divisors (see below), whose sum is σ = 931608. Its totient is φ = 114240.
The previous prime is 400123. The next prime is 400151. The reversal of 400134 is 431004.
It is a congruent number.
It is an unprimeable number.
400134 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387 + ... + 974.
It is an arithmetic number, because the mean of its divisors is an integer number (38817).
2400134 is an apocalyptic number.
400134 is an abundant number, since it is smaller than the sum of its proper divisors (531474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
400134 is a wasteful number, since it uses less digits than its factorization.
400134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1380 (or 1373 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 400134 is about 632.5614594646. The cubic root of 400134 is about 73.6888567246.
Adding to 400134 its reverse (431004), we get a palindrome (831138).
The spelling of 400134 in words is "four hundred thousand, one hundred thirty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •