140054737 has 4 divisors (see below), whose sum is σ = 140612976. Its totient is φ = 139496500.

The previous prime is 140054641. The next prime is 140054749. The reversal of 140054737 is 737450041.

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.

It is a cyclic number.

It is not a de Polignac number, because 140054737 - 2¹⁹ = 139530449 is a prime.

It is a super-2 number, since 2×140054737² = 39230658712278338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140054699 and 140054708.

It is not an unprimeable number, because it can be changed into a prime (140054767) 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, 278743 + ... + 279244.

It is an arithmetic number, because the mean of its divisors is an integer number (35153244).

Almost surely, 2^140054737 is an apocalyptic number.

It is an amenable number.

140054737 is a deficient number, since it is larger than the sum of its proper divisors (558239).

140054737 is an equidigital number, since it uses as much as digits as its factorization.

140054737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558238.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 140054737 is about 11834.4724005762. The cubic root of 140054737 is about 519.3170731652.

The spelling of 140054737 in words is "one hundred forty million, fifty-four thousand, seven hundred thirty-seven".