101773139 has 8 divisors (see below), whose sum is σ = 115370640. Its totient is φ = 88999776.

The previous prime is 101773129. The next prime is 101773141. The reversal of 101773139 is 931377101.

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

It is a cyclic number.

It is not a de Polignac number, because 101773139 - 2¹⁶ = 101707603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101773129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205772 + ... + 206265.

It is an arithmetic number, because the mean of its divisors is an integer number (14421330).

Almost surely, 2^101773139 is an apocalyptic number.

101773139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

101773139 is a deficient number, since it is larger than the sum of its proper divisors (13597501).

101773139 is a wasteful number, since it uses less digits than its factorization.

101773139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412069.

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 101773139 is about 10088.2673933634. The cubic root of 101773139 is about 466.8862205559.

The spelling of 101773139 in words is "one hundred one million, seven hundred seventy-three thousand, one hundred thirty-nine".