39155 has 8 divisors (see below), whose sum is σ = 48384. Its totient is φ = 30400.

The previous prime is 39139. The next prime is 39157. The reversal of 39155 is 55193.

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

It is not a de Polignac number, because 39155 - 2⁴ = 39139 is a prime.

It is a super-2 number, since 2×39155² = 3066228050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39155.

It is not an unprimeable number, because it can be changed into a prime (39157) 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, 110 + ... + 300.

It is an arithmetic number, because the mean of its divisors is an integer number (6048).

2³⁹¹⁵⁵ is an apocalyptic number.

39155 is a deficient number, since it is larger than the sum of its proper divisors (9229).

39155 is a wasteful number, since it uses less digits than its factorization.

39155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237.

The product of its digits is 675, while the sum is 23.

The square root of 39155 is about 197.8762239381. The cubic root of 39155 is about 33.9569813489.

The spelling of 39155 in words is "thirty-nine thousand, one hundred fifty-five".