40135012 has 6 divisors (see below), whose sum is σ = 70236278. Its totient is φ = 20067504.

The previous prime is 40134989. The next prime is 40135013. The reversal of 40135012 is 21053104.

It can be written as a sum of positive squares in only one way, i.e., 37625956 + 2509056 = 6134^2 + 1584^2 .

It is a super-2 number, since 2×40135012² = 3221638376480288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40135013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016873 + ... + 5016880.

Almost surely, 2^40135012 is an apocalyptic number.

It is an amenable number.

40135012 is a deficient number, since it is larger than the sum of its proper divisors (30101266).

40135012 is a wasteful number, since it uses less digits than its factorization.

40135012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033757 (or 10033755 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 40135012 is about 6335.2199646105. The cubic root of 40135012 is about 342.3795360182.

Adding to 40135012 its reverse (21053104), we get a palindrome (61188116).

It can be divided in two parts, 4013 and 5012, that added together give a square (9025 = 95²).

The spelling of 40135012 in words is "forty million, one hundred thirty-five thousand, twelve".