1451114140 has 72 divisors (see below), whose sum is σ = 3536961120. Its totient is φ = 489886848.

The previous prime is 1451114111. The next prime is 1451114141. The reversal of 1451114140 is 414111541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451114141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 627306 + ... + 629614.

It is an arithmetic number, because the mean of its divisors is an integer number (49124460).

Almost surely, 2^1451114140 is an apocalyptic number.

1451114140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451114140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768480560).

1451114140 is an abundant number, since it is smaller than the sum of its proper divisors (2085846980).

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

1451114140 is a wasteful number, since it uses less digits than its factorization.

1451114140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 1451114140 is about 38093.4920951073. The cubic root of 1451114140 is about 1132.1410161575.

Adding to 1451114140 its reverse (414111541), we get a palindrome (1865225681).

The spelling of 1451114140 in words is "one billion, four hundred fifty-one million, one hundred fourteen thousand, one hundred forty".