137397494503 has 16 divisors (see below), whose sum is σ = 147236679936. Its totient is φ = 127760855040.

The previous prime is 137397494459. The next prime is 137397494519. The reversal of 137397494503 is 305494793731.

It is a cyclic number.

It is not a de Polignac number, because 137397494503 - 2²⁹ = 136860623591 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 (137397494543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487018 + ... + 715528.

It is an arithmetic number, because the mean of its divisors is an integer number (9202292496).

Almost surely, 2^137397494503 is an apocalyptic number.

137397494503 is a deficient number, since it is larger than the sum of its proper divisors (9839185433).

137397494503 is a wasteful number, since it uses less digits than its factorization.

137397494503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228954.

The product of its (nonzero) digits is 8573040, while the sum is 55.

It can be divided in two parts, 1373 and 97494503, that added together give a square (97495876 = 9874²).

The spelling of 137397494503 in words is "one hundred thirty-seven billion, three hundred ninety-seven million, four hundred ninety-four thousand, five hundred three".