38142135 has 48 divisors (see below), whose sum is σ = 71064864. Its totient is φ = 18855936.

The previous prime is 38142109. The next prime is 38142151. The reversal of 38142135 is 53124183.

It is a happy number.

It is not a de Polignac number, because 38142135 - 2⁵ = 38142103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38142099 and 38142108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55504 + ... + 56186.

It is an arithmetic number, because the mean of its divisors is an integer number (1480518).

Almost surely, 2^38142135 is an apocalyptic number.

38142135 is a deficient number, since it is larger than the sum of its proper divisors (32922729).

38142135 is a wasteful number, since it uses less digits than its factorization.

38142135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 781 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 38142135 is about 6175.9319134848. The cubic root of 38142135 is about 336.6161896461.

The spelling of 38142135 in words is "thirty-eight million, one hundred forty-two thousand, one hundred thirty-five".