137440353433 has 4 divisors (see below), whose sum is σ = 140364616320. Its totient is φ = 134516090548.

The previous prime is 137440353383. The next prime is 137440353473. The reversal of 137440353433 is 334353044731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334353044731 = 277 ⋅1207050703.

It is a cyclic number.

It is not a de Polignac number, because 137440353433 - 2²¹ = 137438256281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137440353473) 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, 1462131373 + ... + 1462131466.

It is an arithmetic number, because the mean of its divisors is an integer number (35091154080).

Almost surely, 2^137440353433 is an apocalyptic number.

It is an amenable number.

137440353433 is a deficient number, since it is larger than the sum of its proper divisors (2924262887).

137440353433 is an equidigital number, since it uses as much as digits as its factorization.

137440353433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924262886.

The product of its (nonzero) digits is 544320, while the sum is 40.

The spelling of 137440353433 in words is "one hundred thirty-seven billion, four hundred forty million, three hundred fifty-three thousand, four hundred thirty-three".