137875553 has 2 divisors, whose sum is σ = 137875554. Its totient is φ = 137875552.

The previous prime is 137875537. The next prime is 137875583. The reversal of 137875553 is 355578731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122257249 + 15618304 = 11057^2 + 3952^2 .

It is a cyclic number.

It is not a de Polignac number, because 137875553 - 2⁴ = 137875537 is a prime.

It is not a weakly prime, because it can be changed into another prime (137875583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68937776 + 68937777.

It is an arithmetic number, because the mean of its divisors is an integer number (68937777).

Almost surely, 2^137875553 is an apocalyptic number.

It is an amenable number.

137875553 is a deficient number, since it is larger than the sum of its proper divisors (1).

137875553 is an equidigital number, since it uses as much as digits as its factorization.

137875553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441000, while the sum is 44.

The square root of 137875553 is about 11742.0421137041. The cubic root of 137875553 is about 516.6095407299.

The spelling of 137875553 in words is "one hundred thirty-seven million, eight hundred seventy-five thousand, five hundred fifty-three".