42415137 has 8 divisors (see below), whose sum is σ = 62837280. Its totient is φ = 28276740.

The previous prime is 42415133. The next prime is 42415147. The reversal of 42415137 is 73151424.

It is not a de Polignac number, because 42415137 - 2² = 42415133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1570931 = 42415137 / (4 + 2 + 4 + 1 + 5 + 1 + 3 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 42415137.

It is not an unprimeable number, because it can be changed into a prime (42415133) 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, 785439 + ... + 785492.

It is an arithmetic number, because the mean of its divisors is an integer number (7854660).

Almost surely, 2^42415137 is an apocalyptic number.

It is an amenable number.

42415137 is a deficient number, since it is larger than the sum of its proper divisors (20422143).

42415137 is a wasteful number, since it uses less digits than its factorization.

42415137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570940 (or 1570934 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 42415137 is about 6512.6904578676. The cubic root of 42415137 is about 348.7441714831.

The spelling of 42415137 in words is "forty-two million, four hundred fifteen thousand, one hundred thirty-seven".