1314240140 has 24 divisors (see below), whose sum is σ = 2761683120. Its totient is φ = 525357248.

The previous prime is 1314240121. The next prime is 1314240173. The reversal of 1314240140 is 410424131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11891 + ... + 52629.

It is an arithmetic number, because the mean of its divisors is an integer number (115070130).

Almost surely, 2^1314240140 is an apocalyptic number.

1314240140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1314240140 is an abundant number, since it is smaller than the sum of its proper divisors (1447442980).

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

1314240140 is a wasteful number, since it uses less digits than its factorization.

1314240140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42361 (or 42359 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1314240140 is about 36252.4501240951. The cubic root of 1314240140 is about 1095.3634428068.

Adding to 1314240140 its reverse (410424131), we get a palindrome (1724664271).

The spelling of 1314240140 in words is "one billion, three hundred fourteen million, two hundred forty thousand, one hundred forty".