1341269661 has 16 divisors (see below), whose sum is σ = 1817541824. Its totient is φ = 879652224.

The previous prime is 1341269639. The next prime is 1341269669. The reversal of 1341269661 is 1669621431.

It is not a de Polignac number, because 1341269661 - 2⁷ = 1341269533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341269669) 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, 79230 + ... + 94656.

It is an arithmetic number, because the mean of its divisors is an integer number (113596364).

Almost surely, 2^1341269661 is an apocalyptic number.

It is an amenable number.

1341269661 is a deficient number, since it is larger than the sum of its proper divisors (476272163).

1341269661 is a wasteful number, since it uses less digits than its factorization.

1341269661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15900.

The product of its digits is 46656, while the sum is 39.

The square root of 1341269661 is about 36623.3485771031. The cubic root of 1341269661 is about 1102.8218625160.

The spelling of 1341269661 in words is "one billion, three hundred forty-one million, two hundred sixty-nine thousand, six hundred sixty-one".