139270 has 16 divisors (see below), whose sum is σ = 264240. Its totient is φ = 52704.

The previous prime is 139267. The next prime is 139273. The reversal of 139270 is 72931.

It is an interprime number because it is at equal distance from previous prime (139267) and next prime (139273).

It is a super-2 number, since 2×139270² = 38792265800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139273) 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, 177 + ... + 556.

It is an arithmetic number, because the mean of its divisors is an integer number (16515).

2¹³⁹²⁷⁰ is an apocalyptic number.

139270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139270 is a deficient number, since it is larger than the sum of its proper divisors (124970).

139270 is a wasteful number, since it uses less digits than its factorization.

139270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 139270 is about 373.1889601797. The cubic root of 139270 is about 51.8345332058.

The spelling of 139270 in words is "one hundred thirty-nine thousand, two hundred seventy".