42125134154 has 8 divisors (see below), whose sum is σ = 63188572068. Its totient is φ = 21062276800.

The previous prime is 42125134151. The next prime is 42125134159. The reversal of 42125134154 is 45143152124.

42125134154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41870572129 + 254562025 = 204623^2 + 15955^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 42125134154.

It is not an unprimeable number, because it can be changed into a prime (42125134151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213554 + ... + 360354.

Almost surely, 2^42125134154 is an apocalyptic number.

42125134154 is a deficient number, since it is larger than the sum of its proper divisors (21063437914).

42125134154 is a wasteful number, since it uses less digits than its factorization.

42125134154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290280.

The product of its digits is 19200, while the sum is 32.

Adding to 42125134154 its reverse (45143152124), we get a palindrome (87268286278).

The spelling of 42125134154 in words is "forty-two billion, one hundred twenty-five million, one hundred thirty-four thousand, one hundred fifty-four".