137654881 has 8 divisors (see below), whose sum is σ = 169421504. Its totient is φ = 108913680.

The previous prime is 137654863. The next prime is 137654921. The reversal of 137654881 is 188456731.

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

It is a cyclic number.

It is not a de Polignac number, because 137654881 - 2¹³ = 137646689 is a prime.

It is a super-2 number, since 2×137654881² = 37897732526248322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137654861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756255 + ... + 756436.

It is an arithmetic number, because the mean of its divisors is an integer number (21177688).

Almost surely, 2^137654881 is an apocalyptic number.

It is an amenable number.

137654881 is a deficient number, since it is larger than the sum of its proper divisors (31766623).

137654881 is a wasteful number, since it uses less digits than its factorization.

137654881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512711.

The product of its digits is 161280, while the sum is 43.

The square root of 137654881 is about 11732.6416888951. The cubic root of 137654881 is about 516.3337796480. Note that the first 3 decimals are identical.

The spelling of 137654881 in words is "one hundred thirty-seven million, six hundred fifty-four thousand, eight hundred eighty-one".