40115134 has 4 divisors (see below), whose sum is σ = 60172704. Its totient is φ = 20057566.

The previous prime is 40115093. The next prime is 40115143. The reversal of 40115134 is 43151104.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10028782 + ... + 10028785.

It is an arithmetic number, because the mean of its divisors is an integer number (15043176).

Almost surely, 2^40115134 is an apocalyptic number.

40115134 is a deficient number, since it is larger than the sum of its proper divisors (20057570).

40115134 is a wasteful number, since it uses less digits than its factorization.

40115134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20057569.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 40115134 is about 6333.6509218617. The cubic root of 40115134 is about 342.3230023005.

Adding to 40115134 its reverse (43151104), we get a palindrome (83266238).

The spelling of 40115134 in words is "forty million, one hundred fifteen thousand, one hundred thirty-four".