1361129734 has 4 divisors (see below), whose sum is σ = 2041694604. Its totient is φ = 680564866.

The previous prime is 1361129717. The next prime is 1361129743. The reversal of 1361129734 is 4379211631.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1361129693 and 1361129702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340282432 + ... + 340282435.

It is an arithmetic number, because the mean of its divisors is an integer number (510423651).

Almost surely, 2^1361129734 is an apocalyptic number.

1361129734 is a deficient number, since it is larger than the sum of its proper divisors (680564870).

1361129734 is an equidigital number, since it uses as much as digits as its factorization.

1361129734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680564869.

The product of its digits is 27216, while the sum is 37.

The square root of 1361129734 is about 36893.4917566771. The cubic root of 1361129734 is about 1108.2383478300.

The spelling of 1361129734 in words is "one billion, three hundred sixty-one million, one hundred twenty-nine thousand, seven hundred thirty-four".