137641506 has 8 divisors (see below), whose sum is σ = 275283024. Its totient is φ = 45880500.

The previous prime is 137641489. The next prime is 137641507. The reversal of 137641506 is 605146731.

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

137641506 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (137641507) 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 3 ways as a sum of consecutive naturals, for example, 11470120 + ... + 11470131.

It is an arithmetic number, because the mean of its divisors is an integer number (34410378).

Almost surely, 2^137641506 is an apocalyptic number.

137641506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137641506 is a wasteful number, since it uses less digits than its factorization.

137641506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22940256.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 137641506 is about 11732.0716840633. The cubic root of 137641506 is about 516.3170562115.

The spelling of 137641506 in words is "one hundred thirty-seven million, six hundred forty-one thousand, five hundred six".