1401731147 has 2 divisors, whose sum is σ = 1401731148. Its totient is φ = 1401731146.

The previous prime is 1401731087. The next prime is 1401731179. The reversal of 1401731147 is 7411371041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401731147 - 2¹² = 1401727051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401731197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700865573 + 700865574.

It is an arithmetic number, because the mean of its divisors is an integer number (700865574).

Almost surely, 2^1401731147 is an apocalyptic number.

1401731147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401731147 is an equidigital number, since it uses as much as digits as its factorization.

1401731147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 1401731147 is about 37439.7001457010. The cubic root of 1401731147 is about 1119.1498509681.

The spelling of 1401731147 in words is "one billion, four hundred one million, seven hundred thirty-one thousand, one hundred forty-seven".