139750455 has 32 divisors (see below), whose sum is σ = 254971584. Its totient is φ = 64751616.

The previous prime is 139750393. The next prime is 139750463. The reversal of 139750455 is 554057931.

It is not a de Polignac number, because 139750455 - 2⁸ = 139750199 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17764 + ... + 24393.

It is an arithmetic number, because the mean of its divisors is an integer number (7967862).

Almost surely, 2^139750455 is an apocalyptic number.

139750455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139750455 is a deficient number, since it is larger than the sum of its proper divisors (115221129).

139750455 is a wasteful number, since it uses less digits than its factorization.

139750455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42195.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 139750455 is about 11821.6096619707. The cubic root of 139750455 is about 518.9407121883.

The spelling of 139750455 in words is "one hundred thirty-nine million, seven hundred fifty thousand, four hundred fifty-five".