139496235 has 32 divisors (see below), whose sum is σ = 235837440. Its totient is φ = 70293888.

The previous prime is 139496209. The next prime is 139496239. The reversal of 139496235 is 532694931.

It is a happy number.

It is not a de Polignac number, because 139496235 - 2⁷ = 139496107 is a prime.

It is a super-3 number, since 3×139496235³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (139496239) 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 31 ways as a sum of consecutive naturals, for example, 17034 + ... + 23856.

It is an arithmetic number, because the mean of its divisors is an integer number (7369920).

Almost surely, 2^139496235 is an apocalyptic number.

139496235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139496235 is a deficient number, since it is larger than the sum of its proper divisors (96341205).

139496235 is a wasteful number, since it uses less digits than its factorization.

139496235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6907.

The product of its digits is 174960, while the sum is 42.

The square root of 139496235 is about 11810.8524247829. The cubic root of 139496235 is about 518.6258529063.

The spelling of 139496235 in words is "one hundred thirty-nine million, four hundred ninety-six thousand, two hundred thirty-five".