940131451 has 16 divisors (see below), whose sum is σ = 1127292928. Its totient is φ = 767037600.

The previous prime is 940131421. The next prime is 940131473. The reversal of 940131451 is 154131049.

It is not a de Polignac number, because 940131451 - 2¹¹ = 940129403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (940131421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22275 + ... + 48748.

It is an arithmetic number, because the mean of its divisors is an integer number (70455808).

Almost surely, 2^940131451 is an apocalyptic number.

940131451 is a deficient number, since it is larger than the sum of its proper divisors (187161477).

940131451 is a wasteful number, since it uses less digits than its factorization.

940131451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71122.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 940131451 is about 30661.5630880097. The cubic root of 940131451 is about 979.6317688474.

The spelling of 940131451 in words is "nine hundred forty million, one hundred thirty-one thousand, four hundred fifty-one".