137103945 has 32 divisors (see below), whose sum is σ = 241173504. Its totient is φ = 65956800.

The previous prime is 137103937. The next prime is 137103949. The reversal of 137103945 is 549301731.

It is not a de Polignac number, because 137103945 - 2³ = 137103937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (137103949) 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, 18444 + ... + 24786.

It is an arithmetic number, because the mean of its divisors is an integer number (7536672).

Almost surely, 2^137103945 is an apocalyptic number.

137103945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137103945 is a deficient number, since it is larger than the sum of its proper divisors (104069559).

137103945 is a wasteful number, since it uses less digits than its factorization.

137103945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 137103945 is about 11709.1393791346. The cubic root of 137103945 is about 515.6440178844.

The spelling of 137103945 in words is "one hundred thirty-seven million, one hundred three thousand, nine hundred forty-five".