137370739 has 4 divisors (see below), whose sum is σ = 149859000. Its totient is φ = 124882480.

The previous prime is 137370733. The next prime is 137370757. The reversal of 137370739 is 937073731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137370739 - 2¹⁵ = 137337971 is a prime.

It is a super-2 number, since 2×137370739² = 37741439866812242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137370733) 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 3 ways as a sum of consecutive naturals, for example, 6244114 + ... + 6244135.

It is an arithmetic number, because the mean of its divisors is an integer number (37464750).

Almost surely, 2^137370739 is an apocalyptic number.

137370739 is a deficient number, since it is larger than the sum of its proper divisors (12488261).

137370739 is a wasteful number, since it uses less digits than its factorization.

137370739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12488260.

The product of its (nonzero) digits is 83349, while the sum is 40.

The square root of 137370739 is about 11720.5263960285. The cubic root of 137370739 is about 515.9782693711.

The spelling of 137370739 in words is "one hundred thirty-seven million, three hundred seventy thousand, seven hundred thirty-nine".