137086720737109 has 16 divisors (see below), whose sum is σ = 169529400694080. Its totient is φ = 108983186156160.

The previous prime is 137086720737101. The next prime is 137086720737137. The reversal of 137086720737109 is 901737027680731.

It is a cyclic number.

It is not a de Polignac number, because 137086720737109 - 2³ = 137086720737101 is a prime.

It is a super-2 number, since 2×137086720737109² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137086720737101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25227586672 + ... + 25227592105.

It is an arithmetic number, because the mean of its divisors is an integer number (10595587543380).

Almost surely, 2^{137086720737109} is an apocalyptic number.

137086720737109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

137086720737109 is a deficient number, since it is larger than the sum of its proper divisors (32442679956971).

137086720737109 is a wasteful number, since it uses less digits than its factorization.

137086720737109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50455178820.

The product of its (nonzero) digits is 18670176, while the sum is 61.

The spelling of 137086720737109 in words is "one hundred thirty-seven trillion, eighty-six billion, seven hundred twenty million, seven hundred thirty-seven thousand, one hundred nine".