137445039 has 8 divisors (see below), whose sum is σ = 203622320. Its totient is φ = 91630008.

The previous prime is 137445037. The next prime is 137445053. The reversal of 137445039 is 930544731.

It is not a de Polignac number, because 137445039 - 2¹ = 137445037 is a prime.

It is a super-2 number, since 2×137445039² = 37782277491423042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137444994 and 137445012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137445037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2545252 + ... + 2545305.

It is an arithmetic number, because the mean of its divisors is an integer number (25452790).

Almost surely, 2^137445039 is an apocalyptic number.

137445039 is a deficient number, since it is larger than the sum of its proper divisors (66177281).

137445039 is an equidigital number, since it uses as much as digits as its factorization.

137445039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090566 (or 5090560 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 137445039 is about 11723.6956204091. The cubic root of 137445039 is about 516.0712786877.

The spelling of 137445039 in words is "one hundred thirty-seven million, four hundred forty-five thousand, thirty-nine".