40135037 has 2 divisors, whose sum is σ = 40135038. Its totient is φ = 40135036.

The previous prime is 40135033. The next prime is 40135063. The reversal of 40135037 is 73053104.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22335076 + 17799961 = 4726^2 + 4219^2 .

It is a cyclic number.

It is not a de Polignac number, because 40135037 - 2² = 40135033 is a prime.

It is a super-2 number, since 2×40135037² = 3221642389982738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40135033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20067518 + 20067519.

It is an arithmetic number, because the mean of its divisors is an integer number (20067519).

Almost surely, 2^40135037 is an apocalyptic number.

It is an amenable number.

40135037 is a deficient number, since it is larger than the sum of its proper divisors (1).

40135037 is an equidigital number, since it uses as much as digits as its factorization.

40135037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 40135037 is about 6335.2219377067. The cubic root of 40135037 is about 342.3796071073.

The spelling of 40135037 in words is "forty million, one hundred thirty-five thousand, thirty-seven".