139994701 has 24 divisors (see below), whose sum is σ = 176964480. Its totient is φ = 108403680.

The previous prime is 139994681. The next prime is 139994707. The reversal of 139994701 is 107499931.

It is a happy number.

It is not a de Polignac number, because 139994701 - 2¹⁵ = 139961933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139994707) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 166440 + ... + 167278.

It is an arithmetic number, because the mean of its divisors is an integer number (7373520).

Almost surely, 2^139994701 is an apocalyptic number.

139994701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

139994701 is a deficient number, since it is larger than the sum of its proper divisors (36969779).

139994701 is a wasteful number, since it uses less digits than its factorization.

139994701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 139994701 is about 11831.9356404605. The cubic root of 139994701 is about 519.2428589057.

It can be divided in two parts, 1399 and 94701, that added together give a square (96100 = 310²).

The spelling of 139994701 in words is "one hundred thirty-nine million, nine hundred ninety-four thousand, seven hundred one".