40136194 has 24 divisors (see below), whose sum is σ = 71932860. Its totient is φ = 16734816.

The previous prime is 40136183. The next prime is 40136197. The reversal of 40136194 is 49163104.

It can be written as a sum of positive squares in 2 ways, for example, as 40132225 + 3969 = 6335^2 + 63^2 .

It is a super-2 number, since 2×40136194² = 3221828137611272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40136197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1909 + ... + 9160.

Almost surely, 2^40136194 is an apocalyptic number.

40136194 is a deficient number, since it is larger than the sum of its proper divisors (31796666).

40136194 is a wasteful number, since it uses less digits than its factorization.

40136194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122 (or 11115 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 40136194 is about 6335.3132519237. The cubic root of 40136194 is about 342.3828970789.

Adding to 40136194 its reverse (49163104), we get a palindrome (89299298).

The spelling of 40136194 in words is "forty million, one hundred thirty-six thousand, one hundred ninety-four".