109359191340 has 192 divisors, whose sum is σ = 399342182400. Its totient is φ = 24320777472.

The previous prime is 109359191339. The next prime is 109359191399. The reversal of 109359191340 is 43191953901.

109359191340 is a `hidden beast` number, since 1 + 0 + 9 + 3 + 591 + 9 + 13 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 251100 + ... + 530819.

It is an arithmetic number, because the mean of its divisors is an integer number (2079907200).

Almost surely, 2^109359191340 is an apocalyptic number.

109359191340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109359191340 is an abundant number, since it is smaller than the sum of its proper divisors (289982991060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109359191340 is a wasteful number, since it uses less digits than its factorization.

109359191340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781981 (or 781973 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The spelling of 109359191340 in words is "one hundred nine billion, three hundred fifty-nine million, one hundred ninety-one thousand, three hundred forty".