1052698139 has 2 divisors, whose sum is σ = 1052698140. Its totient is φ = 1052698138.

The previous prime is 1052698121. The next prime is 1052698159. The reversal of 1052698139 is 9318962501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052698139 is a prime.

It is a super-2 number, since 2×1052698139² = 2216346743708126642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1052698139.

It is not a weakly prime, because it can be changed into another prime (1052698159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526349069 + 526349070.

It is an arithmetic number, because the mean of its divisors is an integer number (526349070).

Almost surely, 2^1052698139 is an apocalyptic number.

1052698139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052698139 is an equidigital number, since it uses as much as digits as its factorization.

1052698139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 1052698139 is about 32445.3099692390. The cubic root of 1052698139 is about 1017.2662085632.

The spelling of 1052698139 in words is "one billion, fifty-two million, six hundred ninety-eight thousand, one hundred thirty-nine".