139116737 has 4 divisors (see below), whose sum is σ = 139364400. Its totient is φ = 138869076.

The previous prime is 139116713. The next prime is 139116767. The reversal of 139116737 is 737611931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 139116737 - 2¹² = 139112641 is a prime.

It is a super-3 number, since 3×139116737³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139116737.

It is not an unprimeable number, because it can be changed into a prime (139116767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122987 + ... + 124112.

It is an arithmetic number, because the mean of its divisors is an integer number (34841100).

Almost surely, 2^139116737 is an apocalyptic number.

It is an amenable number.

139116737 is a deficient number, since it is larger than the sum of its proper divisors (247663).

139116737 is an equidigital number, since it uses as much as digits as its factorization.

139116737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247662.

The product of its digits is 23814, while the sum is 38.

The square root of 139116737 is about 11794.7758350890. The cubic root of 139116737 is about 518.1551204307.

The spelling of 139116737 in words is "one hundred thirty-nine million, one hundred sixteen thousand, seven hundred thirty-seven".