38135943 has 12 divisors (see below), whose sum is σ = 55144960. Its totient is φ = 25396416.

The previous prime is 38135917. The next prime is 38135963. The reversal of 38135943 is 34953183.

It is not a de Polignac number, because 38135943 - 2¹³ = 38127751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38135898 and 38135907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38135963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9855 + ... + 13167.

Almost surely, 2^38135943 is an apocalyptic number.

38135943 is a deficient number, since it is larger than the sum of its proper divisors (17009017).

38135943 is a wasteful number, since it uses less digits than its factorization.

38135943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598 (or 4595 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 38135943 is about 6175.4305922745. The cubic root of 38135943 is about 336.5979732191.

It can be divided in two parts, 38 and 135943, that added together give a triangular number (135981 = T₅₂₁).

The spelling of 38135943 in words is "thirty-eight million, one hundred thirty-five thousand, nine hundred forty-three".