1341233540 has 24 divisors (see below), whose sum is σ = 2844481752. Its totient is φ = 531180800.

The previous prime is 1341233497. The next prime is 1341233549. The reversal of 1341233540 is 453321431.

It can be written as a sum of positive squares in 4 ways, for example, as 319408384 + 1021825156 = 17872^2 + 31966^2 .

It is not an unprimeable number, because it can be changed into a prime (1341233549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329969 + ... + 334008.

It is an arithmetic number, because the mean of its divisors is an integer number (118520073).

Almost surely, 2^1341233540 is an apocalyptic number.

1341233540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1341233540 is an abundant number, since it is smaller than the sum of its proper divisors (1503248212).

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

1341233540 is a wasteful number, since it uses less digits than its factorization.

1341233540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664087 (or 664085 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1341233540 is about 36622.8554320932. The cubic root of 1341233540 is about 1102.8119625963.

Adding to 1341233540 its reverse (453321431), we get a palindrome (1794554971).

The spelling of 1341233540 in words is "one billion, three hundred forty-one million, two hundred thirty-three thousand, five hundred forty".