140101259531 has 4 divisors (see below), whose sum is σ = 143518363464. Its totient is φ = 136684155600.

The previous prime is 140101259527. The next prime is 140101259569. The reversal of 140101259531 is 135952101041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140101259531 - 2² = 140101259527 is a prime.

It is a super-2 number, since 2×140101259531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140101259581) 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, 1708551905 + ... + 1708551986.

It is an arithmetic number, because the mean of its divisors is an integer number (35879590866).

Almost surely, 2^140101259531 is an apocalyptic number.

140101259531 is a deficient number, since it is larger than the sum of its proper divisors (3417103933).

140101259531 is an equidigital number, since it uses as much as digits as its factorization.

140101259531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417103932.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 140101259531 in words is "one hundred forty billion, one hundred one million, two hundred fifty-nine thousand, five hundred thirty-one".