139701650 has 24 divisors (see below), whose sum is σ = 283468464. Its totient is φ = 50800400.

The previous prime is 139701643. The next prime is 139701673. The reversal of 139701650 is 56107931.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 126452 + ... + 127551.

It is an arithmetic number, because the mean of its divisors is an integer number (11811186).

Almost surely, 2^139701650 is an apocalyptic number.

139701650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139701650 is an abundant number, since it is smaller than the sum of its proper divisors (143766814).

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

139701650 is a wasteful number, since it uses less digits than its factorization.

139701650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254026 (or 254021 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 139701650 is about 11819.5452535197. The cubic root of 139701650 is about 518.8802953300.

The spelling of 139701650 in words is "one hundred thirty-nine million, seven hundred one thousand, six hundred fifty".