139532834 has 16 divisors (see below), whose sum is σ = 239355648. Its totient is φ = 59760672.

The previous prime is 139532831. The next prime is 139532837. The reversal of 139532834 is 438235931.

It is an interprime number because it is at equal distance from previous prime (139532831) and next prime (139532837).

It is not an unprimeable number, because it can be changed into a prime (139532831) 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, 32222 + ... + 36294.

It is an arithmetic number, because the mean of its divisors is an integer number (14959728).

Almost surely, 2^139532834 is an apocalyptic number.

139532834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139532834 is a deficient number, since it is larger than the sum of its proper divisors (99822814).

139532834 is a wasteful number, since it uses less digits than its factorization.

139532834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529.

The product of its digits is 77760, while the sum is 38.

The square root of 139532834 is about 11812.4017032947. The cubic root of 139532834 is about 518.6712054513.

The spelling of 139532834 in words is "one hundred thirty-nine million, five hundred thirty-two thousand, eight hundred thirty-four".