137666229155 has 32 divisors (see below), whose sum is σ = 203348734848. Its totient is φ = 87126912000.

The previous prime is 137666229137. The next prime is 137666229157. The reversal of 137666229155 is 551922666731.

It is a Cunningham number, because it is equal to 371034²-1.

It is not a de Polignac number, because 137666229155 - 2¹⁰ = 137666228131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137666229097 and 137666229106.

It is not an unprimeable number, because it can be changed into a prime (137666229157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4809185 + ... + 4837725.

It is an arithmetic number, because the mean of its divisors is an integer number (6354647964).

Almost surely, 2^137666229155 is an apocalyptic number.

137666229155 is a deficient number, since it is larger than the sum of its proper divisors (65682505693).

137666229155 is a wasteful number, since it uses less digits than its factorization.

137666229155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39167.

The product of its digits is 4082400, while the sum is 53.

The spelling of 137666229155 in words is "one hundred thirty-seven billion, six hundred sixty-six million, two hundred twenty-nine thousand, one hundred fifty-five".