1340223501 has 16 divisors (see below), whose sum is σ = 1962800640. Its totient is φ = 809653680.

The previous prime is 1340223491. The next prime is 1340223503. The reversal of 1340223501 is 1053220431.

It is not a de Polignac number, because 1340223501 - 2¹⁴ = 1340207117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340223503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509835 + ... + 512456.

It is an arithmetic number, because the mean of its divisors is an integer number (122675040).

Almost surely, 2^1340223501 is an apocalyptic number.

It is an amenable number.

1340223501 is a deficient number, since it is larger than the sum of its proper divisors (622577139).

1340223501 is a wasteful number, since it uses less digits than its factorization.

1340223501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022336.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1340223501 is about 36609.0630991835. The cubic root of 1340223501 is about 1102.5350625672.

Adding to 1340223501 its reverse (1053220431), we get a palindrome (2393443932).

The spelling of 1340223501 in words is "one billion, three hundred forty million, two hundred twenty-three thousand, five hundred one".