1013851147 has 4 divisors (see below), whose sum is σ = 1035422496. Its totient is φ = 992279800.

The previous prime is 1013851099. The next prime is 1013851211. The reversal of 1013851147 is 7411583101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1013851147 - 2⁷ = 1013851019 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013851547) 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, 10785604 + ... + 10785697.

It is an arithmetic number, because the mean of its divisors is an integer number (258855624).

Almost surely, 2^1013851147 is an apocalyptic number.

1013851147 is a deficient number, since it is larger than the sum of its proper divisors (21571349).

1013851147 is an equidigital number, since it uses as much as digits as its factorization.

1013851147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21571348.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 1013851147 is about 31841.0293018301. The cubic root of 1013851147 is about 1004.5958943962.

The spelling of 1013851147 in words is "one billion, thirteen million, eight hundred fifty-one thousand, one hundred forty-seven".