1070730139 has 2 divisors, whose sum is σ = 1070730140. Its totient is φ = 1070730138.

The previous prime is 1070730137. The next prime is 1070730163. The reversal of 1070730139 is 9310370701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1070730139 - 2¹ = 1070730137 is a prime.

It is a super-2 number, since 2×1070730139² = 2292926061125918642, which contains 22 as substring.

Together with 1070730137, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1070730139.

It is not a weakly prime, because it can be changed into another prime (1070730131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535365069 + 535365070.

It is an arithmetic number, because the mean of its divisors is an integer number (535365070).

Almost surely, 2^1070730139 is an apocalyptic number.

1070730139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1070730139 is an equidigital number, since it uses as much as digits as its factorization.

1070730139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 1070730139 is about 32722.0130646022. The cubic root of 1070730139 is about 1023.0417146139.

The spelling of 1070730139 in words is "one billion, seventy million, seven hundred thirty thousand, one hundred thirty-nine".