137403053 has 2 divisors, whose sum is σ = 137403054. Its totient is φ = 137403052.

The previous prime is 137402999. The next prime is 137403109. The reversal of 137403053 is 350304731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128981449 + 8421604 = 11357^2 + 2902^2 .

It is a cyclic number.

It is not a de Polignac number, because 137403053 - 2¹⁶ = 137337517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137453053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68701526 + 68701527.

It is an arithmetic number, because the mean of its divisors is an integer number (68701527).

Almost surely, 2^137403053 is an apocalyptic number.

It is an amenable number.

137403053 is a deficient number, since it is larger than the sum of its proper divisors (1).

137403053 is an equidigital number, since it uses as much as digits as its factorization.

137403053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 137403053 is about 11721.9048366722. The cubic root of 137403053 is about 516.0187244072.

Adding to 137403053 its reverse (350304731), we get a palindrome (487707784).

It can be divided in two parts, 13740 and 3053, that multiplied together give a triangular number (41948220 = T₉₁₅₉).

The spelling of 137403053 in words is "one hundred thirty-seven million, four hundred three thousand, fifty-three".