42149371 has 8 divisors (see below), whose sum is σ = 46049904. Its totient is φ = 38260320.

The previous prime is 42149369. The next prime is 42149377. The reversal of 42149371 is 17394124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42149371 - 2¹ = 42149369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42149377) 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, 6025 + ... + 10981.

It is an arithmetic number, because the mean of its divisors is an integer number (5756238).

Almost surely, 2^42149371 is an apocalyptic number.

42149371 is a deficient number, since it is larger than the sum of its proper divisors (3900533).

42149371 is a wasteful number, since it uses less digits than its factorization.

42149371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741.

The product of its digits is 6048, while the sum is 31.

The square root of 42149371 is about 6492.2546930939. The cubic root of 42149371 is about 348.0142543815.

The spelling of 42149371 in words is "forty-two million, one hundred forty-nine thousand, three hundred seventy-one".