137740046 has 16 divisors (see below), whose sum is σ = 209159808. Its totient is φ = 68023800.

The previous prime is 137740021. The next prime is 137740061. The reversal of 137740046 is 640047731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 137739994 and 137740021.

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, 117041 + ... + 118211.

It is an arithmetic number, because the mean of its divisors is an integer number (13072488).

Almost surely, 2^137740046 is an apocalyptic number.

137740046 is a deficient number, since it is larger than the sum of its proper divisors (71419762).

137740046 is a wasteful number, since it uses less digits than its factorization.

137740046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 137740046 is about 11736.2705319876. The cubic root of 137740046 is about 516.4402403381.

Adding to 137740046 its reverse (640047731), we get a palindrome (777787777).

The spelling of 137740046 in words is "one hundred thirty-seven million, seven hundred forty thousand, forty-six".