40136154 has 8 divisors (see below), whose sum is σ = 80272320. Its totient is φ = 13378716.

The previous prime is 40136153. The next prime is 40136179. The reversal of 40136154 is 45163104.

It is a sphenic number, since it is the product of 3 distinct primes.

40136154 is an admirable number.

It is a super-2 number, since 2×40136154² = 3221821715823432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40136153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3344674 + ... + 3344685.

It is an arithmetic number, because the mean of its divisors is an integer number (10034040).

Almost surely, 2^40136154 is an apocalyptic number.

40136154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40136154 is a wasteful number, since it uses less digits than its factorization.

40136154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6689364.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 40136154 is about 6335.3100950151. The cubic root of 40136154 is about 342.3827833385.

Adding to 40136154 its reverse (45163104), we get a palindrome (85299258).

The spelling of 40136154 in words is "forty million, one hundred thirty-six thousand, one hundred fifty-four".