137610061 has 4 divisors (see below), whose sum is σ = 138614652. Its totient is φ = 136605472.

The previous prime is 137610059. The next prime is 137610073. The reversal of 137610061 is 160016731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160016731 = 7 ⋅22859533.

It can be written as a sum of positive squares in 2 ways, for example, as 79316836 + 58293225 = 8906^2 + 7635^2 .

It is a cyclic number.

It is not a de Polignac number, because 137610061 - 2¹ = 137610059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137610001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 502090 + ... + 502363.

It is an arithmetic number, because the mean of its divisors is an integer number (34653663).

Almost surely, 2^137610061 is an apocalyptic number.

It is an amenable number.

137610061 is a deficient number, since it is larger than the sum of its proper divisors (1004591).

137610061 is a wasteful number, since it uses less digits than its factorization.

137610061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004590.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 137610061 is about 11730.7314776189. The cubic root of 137610061 is about 516.2777346754.

Adding to 137610061 its reverse (160016731), we get a palindrome (297626792).

The spelling of 137610061 in words is "one hundred thirty-seven million, six hundred ten thousand, sixty-one".