94142131 has 8 divisors (see below), whose sum is σ = 100025280. Its totient is φ = 88351848.

The previous prime is 94142123. The next prime is 94142137. The reversal of 94142131 is 13124149.

It is a happy number.

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 94142131 - 2³ = 94142123 is a prime.

It is a super-2 number, since 2×94142131² = 17725481658442322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 94142096 and 94142105.

It is not an unprimeable number, because it can be changed into a prime (94142137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21121 + ... + 25186.

It is an arithmetic number, because the mean of its divisors is an integer number (12503160).

Almost surely, 2^94142131 is an apocalyptic number.

94142131 is a deficient number, since it is larger than the sum of its proper divisors (5883149).

94142131 is a wasteful number, since it uses less digits than its factorization.

94142131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46433.

The product of its digits is 864, while the sum is 25.

The square root of 94142131 is about 9702.6867928425. The cubic root of 94142131 is about 454.9126443414.

The spelling of 94142131 in words is "ninety-four million, one hundred forty-two thousand, one hundred thirty-one".