1341264642 has 16 divisors (see below), whose sum is σ = 2799161280. Its totient is φ = 427649552.

The previous prime is 1341264637. The next prime is 1341264647. The reversal of 1341264642 is 2464621431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1341264637) and next prime (1341264647).

It is not an unprimeable number, because it can be changed into a prime (1341264647) 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, 4859517 + ... + 4859792.

It is an arithmetic number, because the mean of its divisors is an integer number (174947580).

Almost surely, 2^1341264642 is an apocalyptic number.

1341264642 is an abundant number, since it is smaller than the sum of its proper divisors (1457896638).

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

1341264642 is a wasteful number, since it uses less digits than its factorization.

1341264642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719337.

The product of its digits is 27648, while the sum is 33.

The square root of 1341264642 is about 36623.2800551780. The cubic root of 1341264642 is about 1102.8204869364.

The spelling of 1341264642 in words is "one billion, three hundred forty-one million, two hundred sixty-four thousand, six hundred forty-two".