137543401 has 8 divisors (see below), whose sum is σ = 139857408. Its totient is φ = 135240000.

The previous prime is 137543389. The next prime is 137543407. The reversal of 137543401 is 104345731.

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 137543401 - 2²³ = 129154793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137543401.

It is not an unprimeable number, because it can be changed into a prime (137543407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26056 + ... + 30886.

It is an arithmetic number, because the mean of its divisors is an integer number (17482176).

Almost surely, 2^137543401 is an apocalyptic number.

It is an amenable number.

137543401 is a deficient number, since it is larger than the sum of its proper divisors (2314007).

137543401 is an equidigital number, since it uses as much as digits as its factorization.

137543401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 137543401 is about 11727.8898784052. The cubic root of 137543401 is about 516.1943574570.

The spelling of 137543401 in words is "one hundred thirty-seven million, five hundred forty-three thousand, four hundred one".