139302737 has 12 divisors (see below), whose sum is σ = 170575920. Its totient is φ = 113117256.

The previous prime is 139302727. The next prime is 139302739. The reversal of 139302737 is 737203931.

It is not a de Polignac number, because 139302737 - 2⁴ = 139302721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139302697 and 139302706.

It is not an unprimeable number, because it can be changed into a prime (139302739) 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 11 ways as a sum of consecutive naturals, for example, 73883 + ... + 75744.

It is an arithmetic number, because the mean of its divisors is an integer number (14214660).

Almost surely, 2^139302737 is an apocalyptic number.

It is an amenable number.

139302737 is a deficient number, since it is larger than the sum of its proper divisors (31273183).

139302737 is a wasteful number, since it uses less digits than its factorization.

139302737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149660 (or 149653 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 139302737 is about 11802.6580480839. The cubic root of 139302737 is about 518.3859432016.

The spelling of 139302737 in words is "one hundred thirty-nine million, three hundred two thousand, seven hundred thirty-seven".