137729746 has 64 divisors (see below), whose sum is σ = 274360320. Its totient is φ = 50232960.

The previous prime is 137729719. The next prime is 137729791. The reversal of 137729746 is 647927731.

It is a junction number, because it is equal to n+sod(n) for n = 137729696 and 137729705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301150 + ... + 301606.

It is an arithmetic number, because the mean of its divisors is an integer number (4286880).

Almost surely, 2^137729746 is an apocalyptic number.

137729746 is a deficient number, since it is larger than the sum of its proper divisors (136630574).

137729746 is a wasteful number, since it uses less digits than its factorization.

137729746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its digits is 444528, while the sum is 46.

The square root of 137729746 is about 11735.8317131765. The cubic root of 137729746 is about 516.4273671343.

The spelling of 137729746 in words is "one hundred thirty-seven million, seven hundred twenty-nine thousand, seven hundred forty-six".