1913748147 has 12 divisors (see below), whose sum is σ = 2835519240. Its totient is φ = 1275680556.

The previous prime is 1913748107. The next prime is 1913748149. The reversal of 1913748147 is 7418473191.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1913748147 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1913748147 - 2¹⁴ = 1913731763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1913748149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223104 + ... + 231522.

It is an arithmetic number, because the mean of its divisors is an integer number (236293270).

Almost surely, 2^1913748147 is an apocalyptic number.

1913748147 is a deficient number, since it is larger than the sum of its proper divisors (921771093).

1913748147 is an frugal number, since it uses more digits than its factorization.

1913748147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16847 (or 8422 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 1913748147 is about 43746.4072467671. The cubic root of 1913748147 is about 1241.5425104472.

The spelling of 1913748147 in words is "one billion, nine hundred thirteen million, seven hundred forty-eight thousand, one hundred forty-seven".