40696137 has 6 divisors (see below), whose sum is σ = 58783322. Its totient is φ = 27130752.

The previous prime is 40696133. The next prime is 40696141. The reversal of 40696137 is 73169604.

It is an interprime number because it is at equal distance from previous prime (40696133) and next prime (40696141).

It can be written as a sum of positive squares in only one way, i.e., 33454656 + 7241481 = 5784^2 + 2691^2 .

It is not a de Polignac number, because 40696137 - 2² = 40696133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40696133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2260888 + ... + 2260905.

Almost surely, 2^40696137 is an apocalyptic number.

It is an amenable number.

40696137 is a deficient number, since it is larger than the sum of its proper divisors (18087185).

40696137 is a wasteful number, since it uses less digits than its factorization.

40696137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521799 (or 4521796 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40696137 is about 6379.3523965995. The cubic root of 40696137 is about 343.9677526334.

The spelling of 40696137 in words is "forty million, six hundred ninety-six thousand, one hundred thirty-seven".