1361207642 has 8 divisors (see below), whose sum is σ = 2043735456. Its totient is φ = 679962492.

The previous prime is 1361207641. The next prime is 1361207651. The reversal of 1361207642 is 2467021631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1361207599 and 1361207608.

It is not an unprimeable number, because it can be changed into a prime (1361207641) 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, 318008 + ... + 322259.

It is an arithmetic number, because the mean of its divisors is an integer number (255466932).

Almost surely, 2^1361207642 is an apocalyptic number.

1361207642 is a deficient number, since it is larger than the sum of its proper divisors (682527814).

1361207642 is a wasteful number, since it uses less digits than its factorization.

1361207642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641332.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1361207642 is about 36894.5475917513. The cubic root of 1361207642 is about 1108.2594917821.

The spelling of 1361207642 in words is "one billion, three hundred sixty-one million, two hundred seven thousand, six hundred forty-two".