1341144661 has 16 divisors (see below), whose sum is σ = 1426222080. Its totient is φ = 1258899840.

The previous prime is 1341144653. The next prime is 1341144689. The reversal of 1341144661 is 1664411431.

It is a happy number.

It is not a de Polignac number, because 1341144661 - 2³ = 1341144653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341144361) 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, 410145 + ... + 413401.

It is an arithmetic number, because the mean of its divisors is an integer number (89138880).

Almost surely, 2^1341144661 is an apocalyptic number.

It is an amenable number.

1341144661 is a deficient number, since it is larger than the sum of its proper divisors (85077419).

1341144661 is a wasteful number, since it uses less digits than its factorization.

1341144661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684.

The product of its digits is 6912, while the sum is 31.

The square root of 1341144661 is about 36621.6419757498. The cubic root of 1341144661 is about 1102.7876021881.

The spelling of 1341144661 in words is "one billion, three hundred forty-one million, one hundred forty-four thousand, six hundred sixty-one".