137940254 has 8 divisors (see below), whose sum is σ = 206991288. Its totient is φ = 68943160.

The previous prime is 137940251. The next prime is 137940293. The reversal of 137940254 is 452049731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137940251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6332 + ... + 17775.

It is an arithmetic number, because the mean of its divisors is an integer number (25873911).

Almost surely, 2^137940254 is an apocalyptic number.

137940254 is a deficient number, since it is larger than the sum of its proper divisors (69051034).

137940254 is a wasteful number, since it uses less digits than its factorization.

137940254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26970.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 137940254 is about 11744.7968905384. The cubic root of 137940254 is about 516.6903380529.

Adding to 137940254 its reverse (452049731), we get a palindrome (589989985).

The spelling of 137940254 in words is "one hundred thirty-seven million, nine hundred forty thousand, two hundred fifty-four".