109057136644 has 27 divisors (see below), whose sum is σ = 192217781973. Its totient is φ = 54140538672.

The previous prime is 109057136621. The next prime is 109057136647. The reversal of 109057136644 is 446631750901.

The square root of 109057136644 is 330238.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 215208900 + 108841927744 = 14670^2 + 329912^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109057136594 and 109057136603.

It is not an unprimeable number, because it can be changed into a prime (109057136647) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 107657082 + ... + 107658094.

Almost surely, 2^109057136644 is an apocalyptic number.

109057136644 is the 330238-th square number.

It is an amenable number.

109057136644 is a deficient number, since it is larger than the sum of its proper divisors (83160645329).

109057136644 is an frugal number, since it uses more digits than its factorization.

109057136644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 109057136644 in words is "one hundred nine billion, fifty-seven million, one hundred thirty-six thousand, six hundred forty-four".