140258097 has 12 divisors (see below), whose sum is σ = 231537280. Its totient is φ = 80147448.

The previous prime is 140258051. The next prime is 140258099. The reversal of 140258097 is 790852041.

It is not a de Polignac number, because 140258097 - 2⁷ = 140257969 is a prime.

It is a super-2 number, since 2×140258097² = 39344667548122818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140258099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1113097 + ... + 1113222.

Almost surely, 2^140258097 is an apocalyptic number.

It is an amenable number.

140258097 is a deficient number, since it is larger than the sum of its proper divisors (91279183).

140258097 is a wasteful number, since it uses less digits than its factorization.

140258097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226332 (or 2226329 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 140258097 is about 11843.0611330010. The cubic root of 140258097 is about 519.5683017179.

It can be divided in two parts, 14025 and 8097, that added together give a palindrome (22122).

The spelling of 140258097 in words is "one hundred forty million, two hundred fifty-eight thousand, ninety-seven".