139417050 has 48 divisors (see below), whose sum is σ = 346486752. Its totient is φ = 37099200.

The previous prime is 139417049. The next prime is 139417063. The reversal of 139417050 is 50714931.

It is a super-2 number, since 2×139417050² = 38874227661405000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 139416999 and 139417017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117460 + ... + 118640.

It is an arithmetic number, because the mean of its divisors is an integer number (7218474).

Almost surely, 2^139417050 is an apocalyptic number.

139417050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139417050 is an abundant number, since it is smaller than the sum of its proper divisors (207069702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139417050 is a wasteful number, since it uses less digits than its factorization.

139417050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 139417050 is about 11807.4997353377. The cubic root of 139417050 is about 518.5277017239.

The spelling of 139417050 in words is "one hundred thirty-nine million, four hundred seventeen thousand, fifty".