137611145 has 8 divisors (see below), whose sum is σ = 188723904. Its totient is φ = 94361904.

The previous prime is 137611121. The next prime is 137611151. The reversal of 137611145 is 541116731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137611145 - 2⁶ = 137611081 is a prime.

It is a super-2 number, since 2×137611145² = 37873654456422050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1965839 + ... + 1965908.

It is an arithmetic number, because the mean of its divisors is an integer number (23590488).

Almost surely, 2^137611145 is an apocalyptic number.

It is an amenable number.

137611145 is a deficient number, since it is larger than the sum of its proper divisors (51112759).

137611145 is an equidigital number, since it uses as much as digits as its factorization.

137611145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931759.

The product of its digits is 2520, while the sum is 29.

The square root of 137611145 is about 11730.7776809553. Note that the first 3 decimals coincide. The cubic root of 137611145 is about 516.2790903020.

Adding to 137611145 its reverse (541116731), we get a palindrome (678727876).

It can be divided in two parts, 1376 and 11145, that added together give a palindrome (12521).

The spelling of 137611145 in words is "one hundred thirty-seven million, six hundred eleven thousand, one hundred forty-five".