100137742 has 8 divisors (see below), whose sum is σ = 150420600. Its totient is φ = 49997544.

The previous prime is 100137721. The next prime is 100137767. The reversal of 100137742 is 247731001.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33892 + ... + 36727.

It is an arithmetic number, because the mean of its divisors is an integer number (18802575).

Almost surely, 2^100137742 is an apocalyptic number.

100137742 is a deficient number, since it is larger than the sum of its proper divisors (50282858).

100137742 is an equidigital number, since it uses as much as digits as its factorization.

100137742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71330.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 100137742 is about 10006.8847300246. The cubic root of 100137742 is about 464.3718994967.

Adding to 100137742 its reverse (247731001), we get a palindrome (347868743).

The spelling of 100137742 in words is "one hundred million, one hundred thirty-seven thousand, seven hundred forty-two".