1729338136 has 16 divisors (see below), whose sum is σ = 3243569400. Its totient is φ = 864386304.

The previous prime is 1729338119. The next prime is 1729338151. The reversal of 1729338136 is 6318339271.

It is a happy number.

It is a super-2 number, since 2×1729338136² = 5981220777247908992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1729338092 and 1729338101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8121 + ... + 59368.

Almost surely, 2^1729338136 is an apocalyptic number.

It is an amenable number.

1729338136 is a deficient number, since it is larger than the sum of its proper divisors (1514231264).

1729338136 is a wasteful number, since it uses less digits than its factorization.

1729338136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70698 (or 70694 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 1729338136 is about 41585.3115414566. The cubic root of 1729338136 is about 1200.3096737820.

The spelling of 1729338136 in words is "one billion, seven hundred twenty-nine million, three hundred thirty-eight thousand, one hundred thirty-six".