139734 has 24 divisors (see below), whose sum is σ = 346320. Its totient is φ = 39888.

The previous prime is 139729. The next prime is 139739. The reversal of 139734 is 437931.

It is an interprime number because it is at equal distance from previous prime (139729) and next prime (139739).

It is a junction number, because it is equal to n+sod(n) for n = 139698 and 139707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139739) by changing a digit.

139734 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429 + ... + 680.

It is an arithmetic number, because the mean of its divisors is an integer number (14430).

2¹³⁹⁷³⁴ is an apocalyptic number.

139734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139734 is an abundant number, since it is smaller than the sum of its proper divisors (206586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139734 is a wasteful number, since it uses less digits than its factorization.

139734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124 (or 1121 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 139734 is about 373.8101122228. The cubic root of 139734 is about 51.8920343728.

It can be divided in two parts, 1397 and 34, that added together give a triangular number (1431 = T₅₃).

The spelling of 139734 in words is "one hundred thirty-nine thousand, seven hundred thirty-four".