139814530 has 32 divisors (see below), whose sum is σ = 257681088. Its totient is φ = 54600000.

The previous prime is 139814509. The next prime is 139814531. The reversal of 139814530 is 35418931.

It is not an unprimeable number, because it can be changed into a prime (139814531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132505 + ... + 133555.

It is an arithmetic number, because the mean of its divisors is an integer number (8052534).

Almost surely, 2^139814530 is an apocalyptic number.

139814530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139814530 is a deficient number, since it is larger than the sum of its proper divisors (117866558).

139814530 is a wasteful number, since it uses less digits than its factorization.

139814530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 139814530 is about 11824.3194307326. The cubic root of 139814530 is about 519.0200107867.

The spelling of 139814530 in words is "one hundred thirty-nine million, eight hundred fourteen thousand, five hundred thirty".