140011456 has 112 divisors (see below), whose sum is σ = 334121760. Its totient is φ = 57507840.

The previous prime is 140011429. The next prime is 140011457. The reversal of 140011456 is 654110041.

It is a super-2 number, since 2×140011456² = 39206415622479872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140011457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268476 + ... + 268996.

It is an arithmetic number, because the mean of its divisors is an integer number (2983230).

Almost surely, 2^140011456 is an apocalyptic number.

140011456 is a gapful number since it is divisible by the number (16) 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 140011456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167060880).

140011456 is an abundant number, since it is smaller than the sum of its proper divisors (194110304).

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

140011456 is a wasteful number, since it uses less digits than its factorization.

140011456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 140011456 is about 11832.6436606534. The cubic root of 140011456 is about 519.2635729446.

Adding to 140011456 its reverse (654110041), we get a palindrome (794121497).

The spelling of 140011456 in words is "one hundred forty million, eleven thousand, four hundred fifty-six".