140465501 has 4 divisors (see below), whose sum is σ = 153235104. Its totient is φ = 127695900.

The previous prime is 140465497. The next prime is 140465519. The reversal of 140465501 is 105564041.

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: 105564041 = 11 ⋅9596731.

It is a cyclic number.

It is not a de Polignac number, because 140465501 - 2² = 140465497 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140465581) 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, 6384785 + ... + 6384806.

It is an arithmetic number, because the mean of its divisors is an integer number (38308776).

Almost surely, 2^140465501 is an apocalyptic number.

140465501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140465501 is a deficient number, since it is larger than the sum of its proper divisors (12769603).

140465501 is a wasteful number, since it uses less digits than its factorization.

140465501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769602.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 140465501 is about 11851.8142493038. The cubic root of 140465501 is about 519.8242761765.

The spelling of 140465501 in words is "one hundred forty million, four hundred sixty-five thousand, five hundred one".