137842249 has 16 divisors (see below), whose sum is σ = 147222720. Its totient is φ = 128842560.

The previous prime is 137842247. The next prime is 137842267. The reversal of 137842249 is 942248731.

It is a cyclic number.

It is not a de Polignac number, because 137842249 - 2¹ = 137842247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137842247) 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 15 ways as a sum of consecutive naturals, for example, 117942 + ... + 119104.

It is an arithmetic number, because the mean of its divisors is an integer number (9201420).

Almost surely, 2^137842249 is an apocalyptic number.

It is an amenable number.

137842249 is a deficient number, since it is larger than the sum of its proper divisors (9380471).

137842249 is a wasteful number, since it uses less digits than its factorization.

137842249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

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

The square root of 137842249 is about 11740.6238760979. The cubic root of 137842249 is about 516.5679415021.

The spelling of 137842249 in words is "one hundred thirty-seven million, eight hundred forty-two thousand, two hundred forty-nine".