137484731 has 8 divisors (see below), whose sum is σ = 143937024. Its totient is φ = 131072040.

The previous prime is 137484701. The next prime is 137484733.

137484731 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 137484731 - 2¹⁰ = 137483707 is a prime.

It is a super-2 number, since 2×137484731² = 37804102516284722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137484733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2675 + ... + 16796.

It is an arithmetic number, because the mean of its divisors is an integer number (17992128).

Almost surely, 2^137484731 is an apocalyptic number.

137484731 is a deficient number, since it is larger than the sum of its proper divisors (6452293).

137484731 is a wasteful number, since it uses less digits than its factorization.

137484731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19801.

The product of its digits is 56448, while the sum is 38.

The square root of 137484731 is about 11725.3883091350. The cubic root of 137484731 is about 516.1209517057.

The spelling of 137484731 in words is "one hundred thirty-seven million, four hundred eighty-four thousand, seven hundred thirty-one".