38137133 has 2 divisors, whose sum is σ = 38137134. Its totient is φ = 38137132.

The previous prime is 38137111. The next prime is 38137201. The reversal of 38137133 is 33173183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37908649 + 228484 = 6157^2 + 478^2 .

It is a cyclic number.

It is not a de Polignac number, because 38137133 - 2¹² = 38133037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38137096 and 38137105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38137433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19068566 + 19068567.

It is an arithmetic number, because the mean of its divisors is an integer number (19068567).

Almost surely, 2^38137133 is an apocalyptic number.

It is an amenable number.

38137133 is a deficient number, since it is larger than the sum of its proper divisors (1).

38137133 is an equidigital number, since it uses as much as digits as its factorization.

38137133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 38137133 is about 6175.5269410796. The cubic root of 38137133 is about 336.6014742682.

The spelling of 38137133 in words is "thirty-eight million, one hundred thirty-seven thousand, one hundred thirty-three".