139607 has 4 divisors (see below), whose sum is σ = 150360. Its totient is φ = 128856.

The previous prime is 139597. The next prime is 139609. The reversal of 139607 is 706931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706931 = 163 ⋅4337.

It is not a de Polignac number, because 139607 - 2⁴ = 139591 is a prime.

It is a super-2 number, since 2×139607² = 38980228898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139607.

It is not an unprimeable number, because it can be changed into a prime (139609) 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, 5357 + ... + 5382.

It is an arithmetic number, because the mean of its divisors is an integer number (37590).

2¹³⁹⁶⁰⁷ is an apocalyptic number.

139607 is a deficient number, since it is larger than the sum of its proper divisors (10753).

139607 is a wasteful number, since it uses less digits than its factorization.

139607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 139607 is about 373.6402012632. The cubic root of 139607 is about 51.8763085749.

The spelling of 139607 in words is "one hundred thirty-nine thousand, six hundred seven".