1361133502 has 16 divisors (see below), whose sum is σ = 2138846400. Its totient is φ = 648779040.

The previous prime is 1361133493. The next prime is 1361133503. The reversal of 1361133502 is 2053311631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361133503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143949 + ... + 153112.

It is an arithmetic number, because the mean of its divisors is an integer number (133677900).

Almost surely, 2^1361133502 is an apocalyptic number.

1361133502 is a deficient number, since it is larger than the sum of its proper divisors (777712898).

1361133502 is a wasteful number, since it uses less digits than its factorization.

1361133502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297171.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1361133502 is about 36893.5428225591. The cubic root of 1361133502 is about 1108.2393704703.

The spelling of 1361133502 in words is "one billion, three hundred sixty-one million, one hundred thirty-three thousand, five hundred two".