1361002641 has 16 divisors (see below), whose sum is σ = 1913069568. Its totient is φ = 859381200.

The previous prime is 1361002637. The next prime is 1361002649. The reversal of 1361002641 is 1462001631.

It is not a de Polignac number, because 1361002641 - 2² = 1361002637 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1361002649) 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, 151315 + ... + 160056.

It is an arithmetic number, because the mean of its divisors is an integer number (119566848).

Almost surely, 2^1361002641 is an apocalyptic number.

It is an amenable number.

1361002641 is a deficient number, since it is larger than the sum of its proper divisors (552066927).

1361002641 is a wasteful number, since it uses less digits than its factorization.

1361002641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311452.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1361002641 is about 36891.7692853027. The cubic root of 1361002641 is about 1108.2038535133.

The spelling of 1361002641 in words is "one billion, three hundred sixty-one million, two thousand, six hundred forty-one".