40186136 has 8 divisors (see below), whose sum is σ = 75349020. Its totient is φ = 20093064.

The previous prime is 40186103. The next prime is 40186169. The reversal of 40186136 is 63168104.

It is an interprime number because it is at equal distance from previous prime (40186103) and next prime (40186169).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40186136² = 3229851053220992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40186099 and 40186108.

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, 2511626 + ... + 2511641.

Almost surely, 2^40186136 is an apocalyptic number.

It is an amenable number.

40186136 is a deficient number, since it is larger than the sum of its proper divisors (35162884).

40186136 is a wasteful number, since it uses less digits than its factorization.

40186136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023273 (or 5023269 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 40186136 is about 6339.2535838220. The cubic root of 40186136 is about 342.5248487486.

The spelling of 40186136 in words is "forty million, one hundred eighty-six thousand, one hundred thirty-six".