139769050 has 12 divisors (see below), whose sum is σ = 259970526. Its totient is φ = 55907600.

The previous prime is 139769039. The next prime is 139769057. The reversal of 139769050 is 50967931.

It can be written as a sum of positive squares in 3 ways, for example, as 101465329 + 38303721 = 10073^2 + 6189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 139768994 and 139769012.

It is not an unprimeable number, because it can be changed into a prime (139769057) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1397641 + ... + 1397740.

Almost surely, 2^139769050 is an apocalyptic number.

139769050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139769050 is a deficient number, since it is larger than the sum of its proper divisors (120201476).

139769050 is a wasteful number, since it uses less digits than its factorization.

139769050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795393 (or 2795388 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 139769050 is about 11822.3961192307. The cubic root of 139769050 is about 518.9637276759.

The spelling of 139769050 in words is "one hundred thirty-nine million, seven hundred sixty-nine thousand, fifty".