1440716134 has 32 divisors (see below), whose sum is σ = 2620800000. Its totient is φ = 584992800.

The previous prime is 1440716131. The next prime is 1440716141. The reversal of 1440716134 is 4316170441.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 1440716096 and 1440716105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440716131) 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 15 ways as a sum of consecutive naturals, for example, 72384 + ... + 90115.

It is an arithmetic number, because the mean of its divisors is an integer number (81900000).

Almost surely, 2^1440716134 is an apocalyptic number.

1440716134 is a deficient number, since it is larger than the sum of its proper divisors (1180083866).

1440716134 is a wasteful number, since it uses less digits than its factorization.

1440716134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162556.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1440716134 is about 37956.7666431165. The cubic root of 1440716134 is about 1129.4304002715.

Adding to 1440716134 its reverse (4316170441), we get a palindrome (5756886575).

The spelling of 1440716134 in words is "one billion, four hundred forty million, seven hundred sixteen thousand, one hundred thirty-four".