170981134 has 4 divisors (see below), whose sum is σ = 256471704. Its totient is φ = 85490566.

The previous prime is 170981131. The next prime is 170981137. The reversal of 170981134 is 431189071.

170981134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431189071 = 17 ⋅25364063.

It is an interprime number because it is at equal distance from previous prime (170981131) and next prime (170981137).

It is a self number, because there is not a number n which added to its sum of digits gives 170981134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170981131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42745282 + ... + 42745285.

It is an arithmetic number, because the mean of its divisors is an integer number (64117926).

Almost surely, 2^170981134 is an apocalyptic number.

170981134 is a deficient number, since it is larger than the sum of its proper divisors (85490570).

170981134 is an equidigital number, since it uses as much as digits as its factorization.

170981134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85490569.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 170981134 is about 13075.9754511853. The cubic root of 170981134 is about 555.0294971201.

The spelling of 170981134 in words is "one hundred seventy million, nine hundred eighty-one thousand, one hundred thirty-four".