139001346 has 88 divisors (see below), whose sum is σ = 344371824. Its totient is φ = 41727960.

The previous prime is 139001339. The next prime is 139001353. The reversal of 139001346 is 643100931.

It is an interprime number because it is at equal distance from previous prime (139001339) and next prime (139001353).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 43 ways as a sum of consecutive naturals, for example, 1299025 + ... + 1299131.

Almost surely, 2^139001346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139001346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172185912).

139001346 is an abundant number, since it is smaller than the sum of its proper divisors (205370478).

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

139001346 is an equidigital number, since it uses as much as digits as its factorization.

139001346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 139001346 is about 11789.8832055284. The cubic root of 139001346 is about 518.0118187750.

The spelling of 139001346 in words is "one hundred thirty-nine million, one thousand, three hundred forty-six".