1361215142 has 16 divisors (see below), whose sum is σ = 2341822752. Its totient is φ = 581300160.

The previous prime is 1361215139. The next prime is 1361215151. The reversal of 1361215142 is 2415121631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169073 + ... + 176940.

It is an arithmetic number, because the mean of its divisors is an integer number (146363922).

Almost surely, 2^1361215142 is an apocalyptic number.

1361215142 is a deficient number, since it is larger than the sum of its proper divisors (980607610).

1361215142 is a wasteful number, since it uses less digits than its factorization.

1361215142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346303.

The product of its digits is 1440, while the sum is 26.

The square root of 1361215142 is about 36894.6492326462. The cubic root of 1361215142 is about 1108.2615272127.

Adding to 1361215142 its reverse (2415121631), we get a palindrome (3776336773).

The spelling of 1361215142 in words is "one billion, three hundred sixty-one million, two hundred fifteen thousand, one hundred forty-two".