137541950209 has 32 divisors (see below), whose sum is σ = 148940467200. Its totient is φ = 126618085440.

The previous prime is 137541950207. The next prime is 137541950237. The reversal of 137541950209 is 902059145731.

It is not a de Polignac number, because 137541950209 - 2¹ = 137541950207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137541950207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51960124 + ... + 51962770.

It is an arithmetic number, because the mean of its divisors is an integer number (4654389600).

Almost surely, 2^137541950209 is an apocalyptic number.

137541950209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

137541950209 is a deficient number, since it is larger than the sum of its proper divisors (11398516991).

137541950209 is a wasteful number, since it uses less digits than its factorization.

137541950209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 137541950209 in words is "one hundred thirty-seven billion, five hundred forty-one million, nine hundred fifty thousand, two hundred nine".