101534939 has 4 divisors (see below), whose sum is σ = 110765400. Its totient is φ = 92304480.

The previous prime is 101534933. The next prime is 101534959. The reversal of 101534939 is 939435101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939435101 = 11 ⋅85403191.

It is a cyclic number.

It is not a de Polignac number, because 101534939 - 2¹² = 101530843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101534899 and 101534908.

It is not an unprimeable number, because it can be changed into a prime (101534933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4615214 + ... + 4615235.

It is an arithmetic number, because the mean of its divisors is an integer number (27691350).

Almost surely, 2^101534939 is an apocalyptic number.

101534939 is a deficient number, since it is larger than the sum of its proper divisors (9230461).

101534939 is an equidigital number, since it uses as much as digits as its factorization.

101534939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9230460.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 101534939 is about 10076.4546840642. The cubic root of 101534939 is about 466.5216869932.

The spelling of 101534939 in words is "one hundred one million, five hundred thirty-four thousand, nine hundred thirty-nine".