137388046 has 4 divisors (see below), whose sum is σ = 206082072. Its totient is φ = 68694022.

The previous prime is 137388029. The next prime is 137388047. The reversal of 137388046 is 640883731.

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

It is a super-3 number, since 3×137388046³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137388047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34347010 + ... + 34347013.

It is an arithmetic number, because the mean of its divisors is an integer number (51520518).

Almost surely, 2^137388046 is an apocalyptic number.

137388046 is a deficient number, since it is larger than the sum of its proper divisors (68694026).

137388046 is an equidigital number, since it uses as much as digits as its factorization.

137388046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68694025.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 137388046 is about 11721.2646928563. The cubic root of 137388046 is about 515.9999374036. Note that the first 4 decimals are identical.

The spelling of 137388046 in words is "one hundred thirty-seven million, three hundred eighty-eight thousand, forty-six".