137851473 has 8 divisors (see below), whose sum is σ = 183859488. Its totient is φ = 91872224.

The previous prime is 137851433. The next prime is 137851481. The reversal of 137851473 is 374158731.

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

It is not a de Polignac number, because 137851473 - 2¹² = 137847377 is a prime.

It is a super-4 number, since 4×137851473⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (137851433) 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 7 ways as a sum of consecutive naturals, for example, 9586 + ... + 19172.

It is an arithmetic number, because the mean of its divisors is an integer number (22982436).

Almost surely, 2^137851473 is an apocalyptic number.

It is an amenable number.

137851473 is a deficient number, since it is larger than the sum of its proper divisors (46008015).

137851473 is an equidigital number, since it uses as much as digits as its factorization.

137851473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14383.

The product of its digits is 70560, while the sum is 39.

The square root of 137851473 is about 11741.0166936258. The cubic root of 137851473 is about 516.5794636501.

The spelling of 137851473 in words is "one hundred thirty-seven million, eight hundred fifty-one thousand, four hundred seventy-three".