1061652139 has 2 divisors, whose sum is σ = 1061652140. Its totient is φ = 1061652138.

The previous prime is 1061652131. The next prime is 1061652167. The reversal of 1061652139 is 9312561601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1061652139 - 2³ = 1061652131 is a prime.

It is a super-2 number, since 2×1061652139² = 2254210528486550642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061652131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530826069 + 530826070.

It is an arithmetic number, because the mean of its divisors is an integer number (530826070).

Almost surely, 2^1061652139 is an apocalyptic number.

1061652139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061652139 is an equidigital number, since it uses as much as digits as its factorization.

1061652139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1061652139 is about 32583.0038363562. The cubic root of 1061652139 is about 1020.1422776668.

The spelling of 1061652139 in words is "one billion, sixty-one million, six hundred fifty-two thousand, one hundred thirty-nine".