101040140534 has 4 divisors (see below), whose sum is σ = 151560210804. Its totient is φ = 50520070266.

The previous prime is 101040140521. The next prime is 101040140549. The reversal of 101040140534 is 435041040101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435041040101 = 257 ⋅1692766693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25260035132 + ... + 25260035135.

It is an arithmetic number, because the mean of its divisors is an integer number (37890052701).

Almost surely, 2^101040140534 is an apocalyptic number.

101040140534 is a deficient number, since it is larger than the sum of its proper divisors (50520070270).

101040140534 is an equidigital number, since it uses as much as digits as its factorization.

101040140534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50520070269.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 101040140534 its reverse (435041040101), we get a palindrome (536081180635).

The spelling of 101040140534 in words is "one hundred one billion, forty million, one hundred forty thousand, five hundred thirty-four".