139045737 has 8 divisors (see below), whose sum is σ = 196299936. Its totient is φ = 87244352.

The previous prime is 139045729. The next prime is 139045747. The reversal of 139045737 is 737540931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139045737 - 2³ = 139045729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139045695 and 139045704.

It is not an unprimeable number, because it can be changed into a prime (139045727) 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 7 ways as a sum of consecutive naturals, for example, 1363143 + ... + 1363244.

It is an arithmetic number, because the mean of its divisors is an integer number (24537492).

Almost surely, 2^139045737 is an apocalyptic number.

139045737 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

139045737 is a deficient number, since it is larger than the sum of its proper divisors (57254199).

139045737 is a wasteful number, since it uses less digits than its factorization.

139045737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726407.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 139045737 is about 11791.7656438720. The cubic root of 139045737 is about 518.0669564070.

The spelling of 139045737 in words is "one hundred thirty-nine million, forty-five thousand, seven hundred thirty-seven".