140612497 has 16 divisors (see below), whose sum is σ = 147796992. Its totient is φ = 133623360.

The previous prime is 140612489. The next prime is 140612513. The reversal of 140612497 is 794216041.

It is a cyclic number.

It is not a de Polignac number, because 140612497 - 2³ = 140612489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140612467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812703 + ... + 812875.

It is an arithmetic number, because the mean of its divisors is an integer number (9237312).

Almost surely, 2^140612497 is an apocalyptic number.

It is an amenable number.

140612497 is a deficient number, since it is larger than the sum of its proper divisors (7184495).

140612497 is a wasteful number, since it uses less digits than its factorization.

140612497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 140612497 is about 11858.0140411453. The cubic root of 140612497 is about 520.0055435800.

The spelling of 140612497 in words is "one hundred forty million, six hundred twelve thousand, four hundred ninety-seven".