137345146 has 8 divisors (see below), whose sum is σ = 206204544. Its totient is φ = 68610300.

The previous prime is 137345137. The next prime is 137345171. The reversal of 137345146 is 641543731.

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

It is a super-2 number, since 2×137345146² = 37727378259522632, which contains 22 as substring.

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, 28330 + ... + 32821.

It is an arithmetic number, because the mean of its divisors is an integer number (25775568).

Almost surely, 2^137345146 is an apocalyptic number.

137345146 is a deficient number, since it is larger than the sum of its proper divisors (68859398).

137345146 is a wasteful number, since it uses less digits than its factorization.

137345146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62276.

The product of its digits is 30240, while the sum is 34.

The square root of 137345146 is about 11719.4345426731. The cubic root of 137345146 is about 515.9462240896.

Adding to 137345146 its reverse (641543731), we get a palindrome (778888877).

The spelling of 137345146 in words is "one hundred thirty-seven million, three hundred forty-five thousand, one hundred forty-six".