110139531 has 8 divisors (see below), whose sum is σ = 148921344. Its totient is φ = 72392040.

The previous prime is 110139527. The next prime is 110139539. The reversal of 110139531 is 135931011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 110139531 - 2² = 110139527 is a prime.

It is a super-2 number, since 2×110139531² = 24261432577799922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (110139539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258331 + ... + 258756.

It is an arithmetic number, because the mean of its divisors is an integer number (18615168).

Almost surely, 2^110139531 is an apocalyptic number.

110139531 is a deficient number, since it is larger than the sum of its proper divisors (38781813).

110139531 is an equidigital number, since it uses as much as digits as its factorization.

110139531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517161.

The product of its (nonzero) digits is 405, while the sum is 24.

The square root of 110139531 is about 10494.7382530485. The cubic root of 110139531 is about 479.3444915018.

The spelling of 110139531 in words is "one hundred ten million, one hundred thirty-nine thousand, five hundred thirty-one".