140051603 has 4 divisors (see below), whose sum is σ = 147422760. Its totient is φ = 132680448.

The previous prime is 140051579. The next prime is 140051609. The reversal of 140051603 is 306150041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306150041 = 317 ⋅965773.

It is a cyclic number.

It is not a de Polignac number, because 140051603 - 2⁶ = 140051539 is a prime.

It is a super-2 number, since 2×140051603² = 39228903005739218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140051609) 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, 3685550 + ... + 3685587.

It is an arithmetic number, because the mean of its divisors is an integer number (36855690).

Almost surely, 2^140051603 is an apocalyptic number.

140051603 is a deficient number, since it is larger than the sum of its proper divisors (7371157).

140051603 is an equidigital number, since it uses as much as digits as its factorization.

140051603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371156.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 140051603 is about 11834.3399900459. The cubic root of 140051603 is about 519.3131995562.

The spelling of 140051603 in words is "one hundred forty million, fifty-one thousand, six hundred three".