675619139 has 16 divisors (see below), whose sum is σ = 753984000. Its totient is φ = 601394976.

The previous prime is 675619121. The next prime is 675619141. The reversal of 675619139 is 931916576.

It is a happy number.

It is not a de Polignac number, because 675619139 - 2⁸ = 675618883 is a prime.

It is a super-2 number, since 2×675619139² = 912922441966202642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 675619093 and 675619102.

It is not an unprimeable number, because it can be changed into a prime (675619039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36512 + ... + 51810.

It is an arithmetic number, because the mean of its divisors is an integer number (47124000).

Almost surely, 2^675619139 is an apocalyptic number.

675619139 is a deficient number, since it is larger than the sum of its proper divisors (78364861).

675619139 is a wasteful number, since it uses less digits than its factorization.

675619139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15434.

The product of its digits is 306180, while the sum is 47.

The square root of 675619139 is about 25992.6747180816. The cubic root of 675619139 is about 877.4734429724.

The spelling of 675619139 in words is "six hundred seventy-five million, six hundred nineteen thousand, one hundred thirty-nine".