1341640736 has 24 divisors (see below), whose sum is σ = 2647266300. Its totient is φ = 669319168.

The previous prime is 1341640733. The next prime is 1341640747. The reversal of 1341640736 is 6370461431.

It can be written as a sum of positive squares in 2 ways, for example, as 1186389136 + 155251600 = 34444^2 + 12460^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1341640696 and 1341640705.

It is not an unprimeable number, because it can be changed into a prime (1341640733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32321 + ... + 61056.

Almost surely, 2^1341640736 is an apocalyptic number.

1341640736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1341640736 is a deficient number, since it is larger than the sum of its proper divisors (1305625564).

1341640736 is an equidigital number, since it uses as much as digits as its factorization.

1341640736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93836 (or 93828 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1341640736 is about 36628.4143254933. The cubic root of 1341640736 is about 1102.9235551886.

The spelling of 1341640736 in words is "one billion, three hundred forty-one million, six hundred forty thousand, seven hundred thirty-six".