125131535342 has 8 divisors (see below), whose sum is σ = 204760694232. Its totient is φ = 56877970600.

The previous prime is 125131535329. The next prime is 125131535359. The reversal of 125131535342 is 243535131521.

It is a happy number.

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

It is a super-2 number, since 2×125131535342² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2843898509 + ... + 2843898552.

It is an arithmetic number, because the mean of its divisors is an integer number (25595086779).

Almost surely, 2^125131535342 is an apocalyptic number.

125131535342 is a deficient number, since it is larger than the sum of its proper divisors (79629158890).

125131535342 is a wasteful number, since it uses less digits than its factorization.

125131535342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5687797074.

The product of its digits is 54000, while the sum is 35.

Adding to 125131535342 its reverse (243535131521), we get a palindrome (368666666863).

The spelling of 125131535342 in words is "one hundred twenty-five billion, one hundred thirty-one million, five hundred thirty-five thousand, three hundred forty-two".