140915093 has 4 divisors (see below), whose sum is σ = 153725568. Its totient is φ = 128104620.

The previous prime is 140915083. The next prime is 140915107. The reversal of 140915093 is 390519041.

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 140915093 - 2¹⁰ = 140914069 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 (140915053) 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, 6405221 + ... + 6405242.

It is an arithmetic number, because the mean of its divisors is an integer number (38431392).

Almost surely, 2^140915093 is an apocalyptic number.

It is an amenable number.

140915093 is a deficient number, since it is larger than the sum of its proper divisors (12810475).

140915093 is a wasteful number, since it uses less digits than its factorization.

140915093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12810474.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 140915093 is about 11870.7663189872. The cubic root of 140915093 is about 520.3782910545.

The spelling of 140915093 in words is "one hundred forty million, nine hundred fifteen thousand, ninety-three".