137555949 has 8 divisors (see below), whose sum is σ = 184209760. Its totient is φ = 91303056.

The previous prime is 137555947. The next prime is 137555969. The reversal of 137555949 is 949555731.

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

It is not a de Polignac number, because 137555949 - 2¹ = 137555947 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 137555898 and 137555907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137555941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99427 + ... + 100800.

It is an arithmetic number, because the mean of its divisors is an integer number (23026220).

Almost surely, 2^137555949 is an apocalyptic number.

It is an amenable number.

137555949 is a deficient number, since it is larger than the sum of its proper divisors (46653811).

137555949 is a wasteful number, since it uses less digits than its factorization.

137555949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200459.

The product of its digits is 850500, while the sum is 48.

The square root of 137555949 is about 11728.4248303001. The cubic root of 137555949 is about 516.2100543444.

The spelling of 137555949 in words is "one hundred thirty-seven million, five hundred fifty-five thousand, nine hundred forty-nine".