140772534 has 32 divisors (see below), whose sum is σ = 322223616. Its totient is φ = 40163520.

The previous prime is 140772523. The next prime is 140772547. The reversal of 140772534 is 435277041.

It is a junction number, because it is equal to n+sod(n) for n = 140772495 and 140772504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34039 + ... + 37949.

It is an arithmetic number, because the mean of its divisors is an integer number (10069488).

Almost surely, 2^140772534 is an apocalyptic number.

140772534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140772534 is an abundant number, since it is smaller than the sum of its proper divisors (181451082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140772534 is a wasteful number, since it uses less digits than its factorization.

140772534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 140772534 is about 11864.7601745674. The cubic root of 140772534 is about 520.2027488469.

The spelling of 140772534 in words is "one hundred forty million, seven hundred seventy-two thousand, five hundred thirty-four".