137087029 has 4 divisors (see below), whose sum is σ = 137311276. Its totient is φ = 136862784.

The previous prime is 137087021. The next prime is 137087039. The reversal of 137087029 is 920780731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920780731 = 13 ⋅70829287.

It can be written as a sum of positive squares in 2 ways, for example, as 2480625 + 134606404 = 1575^2 + 11602^2 .

It is a cyclic number.

It is not a de Polignac number, because 137087029 - 2³ = 137087021 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 (137087021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111204 + ... + 112429.

It is an arithmetic number, because the mean of its divisors is an integer number (34327819).

Almost surely, 2^137087029 is an apocalyptic number.

It is an amenable number.

137087029 is a deficient number, since it is larger than the sum of its proper divisors (224247).

137087029 is an equidigital number, since it uses as much as digits as its factorization.

137087029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224246.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 137087029 is about 11708.4170151221. The cubic root of 137087029 is about 515.6228101480.

The spelling of 137087029 in words is "one hundred thirty-seven million, eighty-seven thousand, twenty-nine".