100513142 has 4 divisors (see below), whose sum is σ = 150769716. Its totient is φ = 50256570.

The previous prime is 100513139. The next prime is 100513157. The reversal of 100513142 is 241315001.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100513142.

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 as a sum of consecutive naturals, namely, 25128284 + ... + 25128287.

It is an arithmetic number, because the mean of its divisors is an integer number (37692429).

Almost surely, 2^100513142 is an apocalyptic number.

100513142 is a deficient number, since it is larger than the sum of its proper divisors (50256574).

100513142 is an equidigital number, since it uses as much as digits as its factorization.

100513142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50256573.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 100513142 is about 10025.6242698398. The cubic root of 100513142 is about 464.9514606134.

Adding to 100513142 its reverse (241315001), we get a palindrome (341828143).

The spelling of 100513142 in words is "one hundred million, five hundred thirteen thousand, one hundred forty-two".