40140151 has 4 divisors (see below), whose sum is σ = 40230000. Its totient is φ = 40050304.

The previous prime is 40140109. The next prime is 40140161. The reversal of 40140151 is 15104104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40140151 - 2⁹ = 40139639 is a prime.

It is a super-2 number, since 2×40140151² = 3222463444605602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140101) 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, 44251 + ... + 45148.

It is an arithmetic number, because the mean of its divisors is an integer number (10057500).

Almost surely, 2^40140151 is an apocalyptic number.

40140151 is a deficient number, since it is larger than the sum of its proper divisors (89849).

40140151 is an equidigital number, since it uses as much as digits as its factorization.

40140151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89848.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 40140151 is about 6335.6255413337. The cubic root of 40140151 is about 342.3941484747.

Adding to 40140151 its reverse (15104104), we get a palindrome (55244255).

The spelling of 40140151 in words is "forty million, one hundred forty thousand, one hundred fifty-one".