137675745 has 48 divisors (see below), whose sum is σ = 248137344. Its totient is φ = 70560000.

The previous prime is 137675717. The next prime is 137675753. The reversal of 137675745 is 547576731.

137675745 is a `hidden beast` number, since 1 + 3 + 76 + 7 + 574 + 5 = 666.

It is not a de Polignac number, because 137675745 - 2¹⁵ = 137642977 is a prime.

It is a super-2 number, since 2×137675745² = 37909221522610050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 137675745.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130470 + ... + 131520.

It is an arithmetic number, because the mean of its divisors is an integer number (5169528).

Almost surely, 2^137675745 is an apocalyptic number.

137675745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137675745 is a deficient number, since it is larger than the sum of its proper divisors (110461599).

137675745 is a wasteful number, since it uses less digits than its factorization.

137675745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1171 counting only the distinct ones).

The product of its digits is 617400, while the sum is 45.

The square root of 137675745 is about 11733.5307985278. The cubic root of 137675745 is about 516.3598647959.

The spelling of 137675745 in words is "one hundred thirty-seven million, six hundred seventy-five thousand, seven hundred forty-five".