139464350 has 24 divisors (see below), whose sum is σ = 267774528. Its totient is φ = 53985600.

The previous prime is 139464343. The next prime is 139464371. The reversal of 139464350 is 53464931.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 139464350.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 43439 + ... + 46538.

It is an arithmetic number, because the mean of its divisors is an integer number (11157272).

Almost surely, 2^139464350 is an apocalyptic number.

139464350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139464350 is a deficient number, since it is larger than the sum of its proper divisors (128310178).

139464350 is a wasteful number, since it uses less digits than its factorization.

139464350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90020 (or 90015 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 139464350 is about 11809.5025297427. The cubic root of 139464350 is about 518.5863353633.

The spelling of 139464350 in words is "one hundred thirty-nine million, four hundred sixty-four thousand, three hundred fifty".