40135124 has 6 divisors (see below), whose sum is σ = 70236474. Its totient is φ = 20067560.

The previous prime is 40135099. The next prime is 40135141. The reversal of 40135124 is 42153104.

It can be written as a sum of positive squares in only one way, i.e., 32126224 + 8008900 = 5668^2 + 2830^2 .

It is a super-2 number, since 2×40135124² = 3221656356990752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40135096 and 40135105.

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, 5016887 + ... + 5016894.

It is an arithmetic number, because the mean of its divisors is an integer number (11706079).

Almost surely, 2^40135124 is an apocalyptic number.

It is an amenable number.

40135124 is a deficient number, since it is larger than the sum of its proper divisors (30101350).

40135124 is a wasteful number, since it uses less digits than its factorization.

40135124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10033785 (or 10033783 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40135124 is about 6335.2288040765. The cubic root of 40135124 is about 342.3798544972.

Adding to 40135124 its reverse (42153104), we get a palindrome (82288228).

The spelling of 40135124 in words is "forty million, one hundred thirty-five thousand, one hundred twenty-four".